East German Society for Microbiology and Epidemiology, Virology Section, and the East German National Committee for Research and Prevention of Poliomyelitis and Related Diseases. Symposium, 14-18 October 1985, Potsdam. Proceedings and abstracts.
D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*; D014777:Virus Diseases