[Forty years of Soviet hygienic-antiepidemic services].
D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000517:prevention & control*; D006801:Humans; D006920:Hygiene
COMMUNICABLE DISEASES/prevention and control; HYGIENE
Ctyricet let sovĕtské hygienicko-protiepidemické sluzby.