[SEROLOGICAL RESEARCH ON RICKETTSIAL AND PARARICKETTSIAL DISEASES IN ANIMALS AND MAN IN SEVERAL EPIZOOTIC FOCI].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D004813:Epidemiology; D012282:Rickettsia Infections; D012383:Romania; D012756:Sheep; D012757:Sheep Diseases; D013553:Swine Diseases
CATTLE DISEASES; EPIDEMIOLOGY; RICKETTSIAL DISEASES; RUMANIA; SHEEP DISEASES; SWINE DISEASES
CERCET ARI SEROLOGICE ASUPRA RICKETTSIOZELOR  SI PARARICKETTSIOZELOR LA ANIMALE  SI OAMENI  IN C ITEVA FOCARE EPIZOOTICE.