[Health services for cattle breeders in remote pastures of the Black earth].
D000822:Animal Husbandry; D000818:Animals; D002417:Cattle; D002769:Cholelithiasis / Q000145:classification / Q000209:etiology* / Q000503:physiopathology; D006298:Health Services Administration; D014586:USSR
Meditsinskoe obsluzhivanie zhivotnovodov otgonnykh pastbishch Chernykh zemel'.