[SOME THEORETICAL PROBLEMS OF THE EPIDEMIOLOGY OF INFECTIONS CAUSED BY CONDITIONALLY PATHOGENIC ORGANISMS].
D003141:Communicable Diseases; D004813:Epidemiology
COMMUNICABLE DISEASES; EPIDEMIOLOGY
NEKOTORYE TEORETICHESKIE VOPROSY 'EPIDEMIOLOGII INFEKTSI I, VYZYVAEMYKH USLOVNO PATOGENNYMI VOZBIDITELIAMI.