Vaccination with the CHAT strain of type 1 attenuated poliomyelitis virus in Léopoldville, Belgian Congo*

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Plotkin, Stanley A., Lebrun, André & Koprowski, Hilary. (1960). Vaccination with the CHAT strain of type 1 attenuated poliomyelitis virus in Léopoldville, Belgian Congo*. Bulletin of the World Health Organization, 22 (3-4), 215 - 234. http://www.who.int/iris/handle/10665/267265