sporadic

Finite group theory ISBN 0-521-78675-40-521-78675-4 Sporadic groups ISBN 0-521-42049-00-521-42049-0 3-Transposition groups

John Horton, A perfect group of order 8,315,553,613,086,720,000 and the sporadic simple groups, Proceedings of the National Academy of Sciences of the United

似，由朊毒体（prion）引起。它絕大多數是由PrPSC蛋白的突變引起。有些不具備此突變因子的病患也發生了類似的疾病，被稱為自發性致死失眠症（sporadic fatal insomnia，縮寫為SFI）。目前是絕症，無法治療。 疾病的發病時間不一定，一般是在35歲至60歲之間發病，平均發病年齡是5

Search - 3.0. Wordnetweb.princeton.edu. [2010-11-03]. （原始内容存档于2012-03-03）.  Sporadic STEC O157 Infection: Secondary Household Transmission in Wales. Cdc.gov

Ronner V; et al. Novel mutations in NPHS2 detected in both familial and sporadic steroid-resistant nephrotic syndrome. J. Am. Soc. Nephrol. 2002, 13 (2):