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

Wenner HA, Lenahan MF. Propagation of group A Coxsackie viruses in tissue cultures. II. Some interactions between virus and mammalian cells. Yale J. Biol. Med. 34: 421-438, 1961. PubMed: 14006144

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