2018国产大陆天天弄,亚洲欧美日韩久久精品第一区,日韩精品久久久久久免费,国产精品国产三级国产av品爱网,妺妺窝人体色WWW聚色窝仙踪,亚洲av无码专区国产乱码电影,欧美性猛交XXXX乱大交3,无码人妻h动漫

Rosen L, Kern J. Hemagglutination and hemagglutination-inhibition with Coxsackie B viruses. Proc. Soc. Exp. Biol. Med. 107: 626-628, 1961. PubMed: 13743341

Wenner. . Am. J. Epidemiol. 82: 27-39, 1965.

Chanock RM, et al. Myxoviruses: Parainfluenza. Am. Rev. Respir. Dis. 88: 152-166, 1963. PubMed: 14064929