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Journal articles on the topic 'Sporadic'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Priyatikanto, Rhorom, Farahhati Mumtahana, and Mumen Tarigan. "VARIASI DIURNAL DAN MUSIMAN KEMUNCULAN LAPISAN E-SPORADIS DI ATAS SUMEDANG TAHUN 2015." Jurnal Sains Dirgantara 13, no. 2 (2016): 111. http://dx.doi.org/10.30536/j.jsd.2016.v13.a2556.

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Wind shear has been believed as the main mechanism behind the occurrence of E-sporadic layer in 90-120 km altitude. The occurrence of this layer is related to gravity wave, tidal wave, and global-scale atmospheric wave (planetary wave) with different periodicity. Meteor showers that happen annually may also influence the occurrence probability of E-sporadic layer, while Solar and geomagnetic activity contribute less significantly. In this article, E-Sporadic data obtained in Balai Pengamatan Atmosfer dan Antariksa Sumedang, Jawa Barat in 2015 was studied. The main purpose of the study is to un

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2

Priyatikanto, Rhorom, Farahhati Mumtahana, and Mumen Tarigan. "DAMPAK HUJAN METEOR PADA KEMUNCULAN LAPISAN E-SPORADIS DI ATAS SUMEDANG (THE IMPACT OF METEOR SHOWERS ON THE OCCURRENCE OF E-SPORADIC LAYER OVER SUMEDANG)." Jurnal Sains Dirgantara 14, no. 2 (2018): 71. http://dx.doi.org/10.30536/j.jsd.2017.v14.a2533.

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Meteor showers have been believed as one important source of metalic ion which is accumulated at ~100 km altitude and triggering the emergence of E-Sporadic layer. In this study, meteor showers catalogue derived from the observations in visual and radio windows were used to establish a model and temporal map of annual meteor showers expected to be observed in Sumedang, West Java. The map was compared to ionospheric observation data acquired in Sumedang throughout 2014-2015 in order to understand the relation between the showers of various fluxes to the occurrence of E-Sporadic layer. The analy

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3

Goldman, Jill S., Bruce L. Miller, Jiri Safar, et al. "When Sporadic Disease Is Not Sporadic." Archives of Neurology 61, no. 2 (2004): 213. http://dx.doi.org/10.1001/archneur.61.2.213.

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4

Banks, Paul. "Sporadic Illumination." Musical Times 131, no. 1771 (1990): 489. http://dx.doi.org/10.2307/1193676.

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5

Chen, W. C., T. C. Shen, and C. Y. Tu. "Sporadic lymphangioleiomyomatosis." QJM 107, no. 9 (2014): 767. http://dx.doi.org/10.1093/qjmed/hcu019.

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6

Lee, James A., and Quan-Yang Duh. "Sporadic Paraganglioma." World Journal of Surgery 32, no. 5 (2008): 683–87. http://dx.doi.org/10.1007/s00268-007-9360-4.

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7

Hamilton, William. "SPORADIC CRETINISM." Developmental Medicine & Child Neurology 18, no. 3 (2008): 384–86. http://dx.doi.org/10.1111/j.1469-8749.1976.tb03662.x.

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8

ERDOĞAN, Bahattin, and Cengiz KORKMAZ. "Sporadic Inclusion Body Myositis." Turkiye Klinikleri Journal of Case Reports 25, no. 4 (2017): 187–92. http://dx.doi.org/10.5336/caserep.2017-56229.

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9

Yusman, Yusman. "PROSES PENDAFTARAN TANAH (AJUDIKASI) PADA KANTOR PERTANAHAN DI TINJAU DARI PERATURAN PEMERINTAH NOMOR 24 TAHUN 1997 TENTANG PENDAFTARAN TANAH." Jurnal Hukum Replik 6, no. 2 (2018): 189. http://dx.doi.org/10.31000/jhr.v6i2.1444.

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Pendaftaran tanah pertama kali dilakukan secara sporadik dan secarasistematik. Pendaftaran tanah bertujuan untuk menjamin dan memberikankepastian hukum terhadap pemilik tanah. Fenomena yang terjadi pada praktekpendaftaran tanah menimbulkan permasalahan bagi pemilik tanah yang akanmelakukan pendaftaran tanah. Peraturan Pemerintah Nomor 24 Tahun 1997 tentang Pendaftaran Tanah Yang dapat dilaksanakan secara sporadik dan secara sistematik memberikan solusi kepada masyarakat untuk dapat menentukan salah satu pilihannya terhadap 2 jenis pendaftaran tanah tersebut.Dalam hal ini diharapkan pemilik tan

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10

Heinselman, C. J., J. P. Thayer, and B. J. Watkins. "A high-latitude observation of sporadic sodium and sporadicE-layer formation." Geophysical Research Letters 25, no. 16 (1998): 3059–62. http://dx.doi.org/10.1029/98gl02215.

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11

Цзин, Цзяо, Jiao Jing, Ян Готао, et al. "Sporadic potassium layers and their connection to sporadic E layers in the mesopause region at Beijing, China." Solar-Terrestrial Physics 3, no. 2 (2017): 60–64. http://dx.doi.org/10.12737/stp-32201710.

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A double-laser beam lidar to measure potassium (K) layer at Beijing (40.5° N, 116.2° E) was successfully developed in 2010. The parameters of sporadic Ks layers and their distributions were given. The seasonal distribution of Ks occurrence frequency was obtained, with two maxima in July and January. The seasonal distributions of sporadic Es layer occurrence frequency over Beijing differ from those of Ks. However, the good correlation between Es and Ks in the case-by-case studies supports the mechanism of neutralization of metal ions in a descending Es layer.

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12

Мелкумян, Анаид, Anaid Melkumyan, Анатолий Белов, et al. "Recurrent and sporadic Forbush decreases during solar cycles 23–24." Solar-Terrestrial Physics 5, no. 1 (2019): 28–34. http://dx.doi.org/10.12737/stp-51201904.

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A comparison has been made between recurrent (associated with high-speed streams from coronal holes) and sporadic (caused by interplanetary coronal mass ejections (ICMEs)) Forbush decreases (FDs) in solar cycles 23 and 24 (as well as in the maxima of these cycles and the minimum between them). Forbush Effects and Interplanetary Disturbances database created and maintained in IZMIRAN provided a large number of events (about 1700 isolated FDs, among them 350 recurrent FDs, and 207 sporadic FDs selected with high reliability), which allowed us to apply statistical methods. The results revealed th

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13

Corona-Cedillo, Roberto, Aime Cedillo-Pozos, Jose Alberto Garcia-de la Fuente, Juan Ignacio Stenner-Perez Gavilan, and Ernesto Roldan-Valadez. "SPORADIC RENAL ANGIOMYOLIPOMA WITH CONCURRENT ANEURYSM FORMATION." Russian Electronic Journal of Radiology 10, no. 1 (2020): 264–70. http://dx.doi.org/10.21569/2222-7415-2020-10-1-264-270.

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14

Forouhar, Elena, and Dimitra Mitsani. "Sporadic urban leptospirosis." Journal of Community Hospital Internal Medicine Perspectives 1, no. 1 (2011): 7042. http://dx.doi.org/10.3402/jchimp.v1i1.7042.

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15

Derickx, Maarten, Anastassia Etropolski, Mark van Hoeij, Jackson S. Morrow, and David Zureick-Brown. "Sporadic cubic torsion." Algebra & Number Theory 15, no. 7 (2021): 1837–64. http://dx.doi.org/10.2140/ant.2021.15.1837.

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16

Kim, Stephanie J., and Dolores M. Shoback. "Sporadic Primary Hyperparathyroidism." Endocrinology and Metabolism Clinics of North America 50, no. 4 (2021): 609–28. http://dx.doi.org/10.1016/j.ecl.2021.07.006.

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17

Thomsen, LL, and J. Olesen. "Sporadic Hemiplegic Migraine." Cephalalgia 24, no. 12 (2004): 1016–23. http://dx.doi.org/10.1111/j.1468-2982.2004.00788.x.

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Sporadic hemiplegic migraine (SHM) is defined as migraine attacks associated with some degree of motor weakness/hemiparesis during the aura phase and where no first degree relative (parent, sibling or child) has identical attacks. The present review deals with recent scientific studies according to which: The SHM prevalence is estimated to be 0.005%; SHM patients have clinical symptoms identical to patients with familial hemiplegic migraine (FHM) and significantly different from patients with migraine with typical aura (typical MA); SHM affected had no increased risk of migraine without aura (

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18

Acharya, Sourya, Samarth Shukla, Amol Andhale, and Shree Karthik Pratapa. "Sporadic Liddle’s Syndrome." Journal of Evolution of Medical and Dental Sciences 9, no. 26 (2020): 1938–39. http://dx.doi.org/10.14260/jemds/2020/421.

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19

Hammer, Suntrea T. G., and Henry D. Appelman. "Sporadic Lymphoplasmacytic Cholecystitis." American Journal of Clinical Pathology 142, no. 2 (2014): 209–12. http://dx.doi.org/10.1309/ajcpko5c3mffylrj.

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20

Goadsby, Peter J. "Sporadic hemiplegic migraine." Neurology 60, no. 4 (2003): 536–37. http://dx.doi.org/10.1212/01.wnl.0000052260.98503.26.

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21

Vinetz, Joseph M. "Sporadic Urban Leptospirosis." Annals of Internal Medicine 125, no. 10 (1996): 794. http://dx.doi.org/10.7326/0003-4819-125-10-199611150-00002.

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22

Raghav, S., J. Seneviratne, P. A. McKelvie, C. Chapman, P. S. Talman, and P. A. Kempster. "Sporadic encephalitis lethargica." Journal of Clinical Neuroscience 14, no. 7 (2007): 696–700. http://dx.doi.org/10.1016/j.jocn.2006.01.016.

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23

Blanchard, C., E. Mirallié, and M. Mathonnet. "Sporadic primary hyperparathyroidism." Journal of Visceral Surgery 147, no. 5 (2010): e285-e295. http://dx.doi.org/10.1016/j.jviscsurg.2010.08.018.

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24

Black, David F. "Sporadic hemiplegic migraine." Current Pain and Headache Reports 8, no. 3 (2004): 223–28. http://dx.doi.org/10.1007/s11916-004-0056-2.

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25

Pozzo, M., M. Lozano, M. Rey, and H. Claus Hermberg. "Sporadic hypocalciuric hypercalcemia." Bone 45, no. 6 (2009): S154. http://dx.doi.org/10.1016/j.bone.2009.08.036.

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26

S. NIKOLAOU, R. M. L. WINSTON, D. "Sporadic Perrault syndrome." Journal of Obstetrics and Gynaecology 19, no. 4 (1999): 436–37. http://dx.doi.org/10.1080/01443619964896.

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27

Beale, Mark D., Charles H. Kellner, and Hilary J. Bernstein. "Sporadic Pick's disease." British Journal of Psychiatry 163, no. 4 (1993): 551. http://dx.doi.org/10.1192/bjp.163.4.551c.

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28

Hare, Kevin G., and Michael J. Mossinghoff. "Sporadic Reinhardt Polygons." Discrete & Computational Geometry 49, no. 3 (2013): 540–57. http://dx.doi.org/10.1007/s00454-012-9479-4.

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29

Michel, K., M. Albisetti, G. E. Pfyffer, and D. Nadal. "Sporadic Tuberculous Meningoencephalitis." Infection 27, no. 6 (1999): 370–71. http://dx.doi.org/10.1007/s150100050047.

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30

Chittenden, Bradley, and Jyotika Agotchiya. "Sporadic vaginal bleeding." Current Obstetrics & Gynaecology 15, no. 6 (2005): 409–13. http://dx.doi.org/10.1016/j.curobgyn.2005.09.003.

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31

Niwamoto, Hirofumi, Eizo Okamoto, Akihiro Toyosaka, Yasuhiro Matsushima, and Tatsuo Okasora. "Sporadic visceral neuropathy." Surgery Today 25, no. 9 (1995): 763–70. http://dx.doi.org/10.1007/bf00311449.

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32

Casanova, Clara, Ruben Gaio, Nuno Pereira da Silva, and Inês Castanheira Abreu. "Sporadic retromammary schwannoma." BMJ Case Reports 15, no. 12 (2022): e253626. http://dx.doi.org/10.1136/bcr-2022-253626.

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33

He, Yang-Hui, and John McKay. "Sporadic and Exceptional." inSTEMM Journal 1, S1 (2024): 61–85. http://dx.doi.org/10.56725/instemm.v1is1.8.

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We study the web of correspondences linking the exceptional Lie algebras E8,7,6 and the sporadic simple groups Monster, Baby and the largest Fischer group. This is done via the investigation of classical enumerative problems on del Pezzo surfaces in relation to the cusps of certain subgroups of PSL(2,R) for the relevant McKay-Thompson series in Generalized Moonshine. We also study Conway's sporadic group, as well as its association with the Horrocks-Mumford bundle.

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34

Parchi, P., S. Capellari, S. Chin, et al. "FATAL SPORADIC INSOMNIA (THALAMIC FORM OF SPORADIC CREUTZFELDT-JAKOB DISEASE)." Journal of Neuropathology and Experimental Neurology 57, no. 5 (1998): 518. http://dx.doi.org/10.1097/00005072-199805000-00216.

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35

Calil, E. M. B., L. Baldassi, A. A. P. Moulin, M. Hipólito, and M. A. S. C. Portugal. "LISTERIOSE ESPORÁDICA EM BOVINO." Arquivos do Instituto Biológico 63, no. 2 (1996): 73–77. https://doi.org/10.1590/1808-1657v63n2p0731996.

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RESUMO Relata-se a ocorrência de um caso esporádico de listeriose em bezerro de propriedade deexploração leiteira, no Estado de São Paulo. O evento foi único no rebanho e o animal apresentou a sintomatologia classicamente descrita, como incoordenação motora, andar em círculo, perda do equilíbrio, opistótono e prostração seguida de morte. Do líquido cefaloraquidiano bem como do fragmento de sistema nervoso central (SNC) foi possível o isolamento de Listeria monocytogenes. Os autores consideram a possibilidade da silagem fornecida aos animais, ter se constituído na fonte de infecção.

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36

Triana, Dessy, Sitti Rahmah Umniyati, and Budi Mulyaningsih. "Resistance Status of Aedes albopictus (Skuse) on Malathion in Bengkulu City." Unnes Journal of Public Health 7, no. 2 (2018): 113–19. http://dx.doi.org/10.15294/ujph.v7i2.20153.

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Abstract Dengue Hemorrhagic Fever (DHF) is a disease caused by dengue virus and transmitted by Aedes aegypti mosquito as the main vector and Aedes albopictus as secondary vector. In 2016, Bengkulu City was one of 3 cities that experiencing DHF outbreaks in Indonesia. Insecticides malathion have been used since 1990 in bulk in DHF control programs in Bengkulu City and have not had an evaluation report on Aedes sp. vulnerability to malathion. The purpose of this research was to know the resistance status of Ae albopictus mosquitoes from endemic and sporadic areas of DHF in Bengkulu City to

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37

Řehulka, Pavel, Robert Kuba, Markéta Hermanová, Alona Chasovskykh, and Milan Brázdil. "Sporadic form of meningioangiomatosis." Neurologie pro praxi 17, no. 2 (2016): 104–7. http://dx.doi.org/10.36290/neu.2016.021.

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38

Jopek, Tadeusz J., and Iwan P. Williams. "Stream and sporadic meteoroids associated with Near Earth Objects." Proceedings of the International Astronomical Union 10, H16 (2012): 143–45. http://dx.doi.org/10.1017/s1743921314005031.

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AbstractNEOs come close to the Earth's orbit so that any dust ejected from them, might be seen as a meteor shower. Orbits evolve rapidly, so that a similarity of orbits at one given time is not sufficient to prove a relationship, orbital evolution over a long time interval also has to be similar. Sporadic meteoroids can not be associated with a single parent body, they can only be classified as cometary or asteroidal. However, by considering one parameter criteria, many sporadics are not classified properly therefore two parameter approach was proposed.

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39

Zhu, Chun Yang, and Qi Yi Guo. "Research on Multi-Optimizing Strategy for MVB Sporadic Data of Rail Transit On-Board Network." Applied Mechanics and Materials 543-547 (March 2014): 1987–94. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.1987.

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In order to improve real-time of MVB sporadic data communication, we study and analysis MVB sporadic data communication scheduling modelling and collision event arbitration mechanism, the communication maximum arbitration delay is closely related with concurrent message events, binary tree search algorithm mechanism bring out big communication delay, so, we makes use of multi-optimizing strategies, applying dynamically assigned communication of sporadic data and slave frame stuffing of process data, decreasing communication delay of sporadic data and making sure that emergent sporadic data fir

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40

Hussey, G. C., C. Haldoupis, A. Bourdillon, J. Delloue, and J. T. Wiensz. "Mid-latitude <i>E</i>-region bulk motions inferred from digital ionosonde and HF radar measurements." Annales Geophysicae 22, no. 11 (2004): 3789–98. http://dx.doi.org/10.5194/angeo-22-3789-2004.

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Abstract. In the mid-latitude E-region there is now evidence suggesting that neutral winds play a significant role in driving the local plasma instabilities and electrodynamics inside sporadicE layers. Neutral winds can be inferred from coherent radar backscatter measurements of the range-/azimuth-time-intensity (RTI/ATI) striations of quasi-periodic (QP) echoes, or from radar interferometer/imaging observations. In addition, neutral winds in the E-region can be estimated from angle-of-arrival ionosonde measurements of sporadic-E layers. In the present paper we analyse concurrent ionosonde and

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41

Gerding, M., M. Alpers, J. Höffner, and U. von Zahn. "Sporadic Ca and Ca<sup>+</sup> layers at mid-latitudes: Simultaneous observations and implications for their formation." Annales Geophysicae 19, no. 1 (2001): 47–58. http://dx.doi.org/10.5194/angeo-19-47-2001.

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Abstract. We report on the observations of 188 sporadic layers of either Ca atoms and/or Ca ions that we have observed during 112 nights of lidar soundings of Ca, and 58 nights of Ca+ soundings, at Kühlungsborn, Germany (54° N, 12° E). The Ca+ soundings have been performed simultaneously and in a common volume with the Ca soundings by two separate lidars. Correlations between sporadic neutral and ionized metal layers are demonstrated through four case studies. A systematic study of the variations of occurrence of sporadic Ca and Ca+ layers reveals that neutral and ionized Ca layers are not as

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42

Bayly, MJ. "Variation within Eriostemon angustifolius (Rutaceae) and the recognition of a new species, E. sporadicus." Australian Systematic Botany 7, no. 3 (1994): 275. http://dx.doi.org/10.1071/sb9940275.

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Queensland populations of Eriostemon angustifolius P.G. Wilson subsp. angustifolius are recognised as a new species, E. sporadicus. This taxon is characterised by the sporadic pattern of cork formation on branchlets, shortly clavate leaves with rounded, glandular apices, and solitary, shortly pedicellate flowers not subtended by basal bracts. Illustrations, photographs and photomicrographs of the new taxon are included.

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43

Kumar VRR, Vasantha, and Neeharika VC. "Sporadic Cause of Hemolytic Anemia - A Case Report." International Journal of Science and Research (IJSR) 13, no. 3 (2024): 912–14. http://dx.doi.org/10.21275/sr24313125158.

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44

Kar, Bibhas, and Ireen Femeela. "Genetic Insight into Familial and Sporadic Alzheimer’s Disease." Indian Journal of Genetics and Molecular Research 11, no. 2 (2022): 69–77. http://dx.doi.org/10.21088/ijgmr.2319.4782.11222.4.

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Alzheimer’s disease (AD) is a neurodegenerative disorder and common form of dementia in elderly patients accounting for 60 to 80 percent of cases worldwide. The hallmark of AD is deposition of neurofibrillary tangles and amyloid plaques in the brain that lead to neurotoxicity and irreversible loss of neurons in the hippocampus and cortex. Based on the onset of age, AD can be classified into early onset (<65 years) and late-onset>≥ 65 years) groups. Genetic factors such as gene mutation as well as environmental factors both can trigger the disease pathogenesis. The preliminary diagnosis c

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45

Parikh, Meghana P., Simon Vandekar, Christina Moore, et al. "Temporal and Genotypic Associations of Sporadic Norovirus Gastroenteritis and Reported Norovirus Outbreaks in Middle Tennessee, 2012–2016." Clinical Infectious Diseases 71, no. 9 (2019): 2398–404. http://dx.doi.org/10.1093/cid/ciz1106.

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Abstract Background In the United States, surveillance of norovirus gastroenteritis is largely restricted to outbreaks, limiting our knowledge of the contribution of sporadic illness to the overall impact on reported outbreaks. Understanding norovirus transmission dynamics is vital for improving preventive measures, including norovirus vaccine development. Methods We analyzed seasonal patterns and genotypic distribution between sporadic pediatric norovirus cases and reported norovirus outbreaks in middle Tennessee. Sporadic cases were ascertained via the New Vaccine Surveillance Network in a s

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46

Mehta, Puja R., Ashley R. Jones, Sarah Opie-Martin, et al. "Younger age of onset in familial amyotrophic lateral sclerosis is a result of pathogenic gene variants, rather than ascertainment bias." Journal of Neurology, Neurosurgery & Psychiatry 90, no. 3 (2018): 268–71. http://dx.doi.org/10.1136/jnnp-2018-319089.

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ObjectiveAmyotrophic lateral sclerosis (ALS) is a rapidly progressive neurodegenerative disease of motor neurons with a median survival of 2 years. Familial ALS has a younger age of onset than apparently sporadic ALS. We sought to determine whether this younger age of onset is a result of ascertainment bias or has a genetic basis.MethodsSamples from people with ALS were sequenced for 13 ALS genes. To determine the effect of genetic variation, age of onset was compared in people with sporadic ALS carrying a pathogenic gene variant and those who do not; to determine the effect of family history,

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47

Zhang, Liwei, Hui Fu, Zhen Wu, Shuyu Hao, and Junting Zhang. "Sporadic pituitary stalk hemangioblastoma." Neurology India 59, no. 6 (2011): 938. http://dx.doi.org/10.4103/0028-3886.91396.

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48

Pauranik, Apoorva. "Sporadic Creutzfeldt Jakob disease." Neurology India 64, no. 3 (2016): 380. http://dx.doi.org/10.4103/0028-3886.181563.

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49

Cho, Seo-Youn. "Sporadic Questions beyond Essentialism." Journal of Korean Women's Studies 36, no. 3 (2020): 233–41. http://dx.doi.org/10.30719/jkws.2020.09.36.3.233.

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50

Vetvik, KR, M. Dahl, and MB Russell. "Symptomatic Sporadic Hemiplegic Migraine." Cephalalgia 25, no. 11 (2005): 1093–95. http://dx.doi.org/10.1111/j.1468-2982.2005.00975.x.

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