[RICKETTSIAL DISEASES IN THE USSR].
D000293:Adolescent; D000818:Animals; D002648:Child; D004813:Epidemiology; D005853:Geriatrics; D006801:Humans; D007223:Infant; D051379:Mice; D011778:Q Fever; D012282:Rickettsia Infections; D012288:Rickettsiaceae Infections; D012698:Serologic Tests; D013223:Statistics as Topic; D014437:Typhus, Endemic Flea-Borne; D014438:Typhus, Epidemic Louse-Borne; D014586:USSR; D014730:Veterinary Medicine
ADOLESCENCE; CHILD; EPIDEMIOLOGY; GERIATRICS; INFANT; Q FEVER; RICKETTSIAL DISEASES; RICKETTSIALPOX; SERODIAGNOSIS; STATISTICS; TYPHUS; TYPHUS, MURINE; USSR; VETERINARY MEDICINE
LES RICKETSIOSES E URSS.