[On the problem of the incidence of brucellosis of cattle and sheep in the USSR].
D000818:Animals; D002006:Brucellosis / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases; D015994:Incidence; D012756:Sheep; D012757:Sheep Diseases; D014586:USSR
BRUCELLOSIS/veterinary; CATTLE/diseases; SHEEP/diseases