[ON THE WATER FACTOR IN THE EPIDEMIOLOGY OF TYPHOID FEVER. (REPLY TO ASSISTANT PROFESSOR I. F. PICHKUR)].
D006801:Humans; D014435:Typhoid Fever; D014867:Water; D014871:Water Microbiology
D014867:Water
TYPHOID; WATER MICROBIOLOGY
O VODNOM FAKTORE V 'EPIDEMIOLOGII BRIUSHNOGO TIFA. (OTVET DOTSENTU I. F. PICHKURU)