[Epidemiological problems in the 13th all-union convention of hygienists, epidemiologists, microbiologists and specialists on infectious diseases].
D003141:Communicable Diseases; D003756:Dental Hygienists; D004813:Epidemiology; D006801:Humans; D013038:Specialization
EPIDEMIOLOGY
Voprosy epidemiologii na XIII Vsesoiuznom s"ezde gigienistov, epidemiologov, mikrobiologov i infektsionistov.