[The work of the World Health Organization in prevention of infectious diseases].
D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000517:prevention & control*; D006801:Humans; D014944:World Health Organization
COMMUNICABLE DISEASES/prevention and control
Aus der Arbeit der Weltgesundheitsorganisation für die Bekampfung der Infektionskrankheiten.