Serological investigations into Q fever.
D000818:Animals; D002020:Buffaloes; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D003168:Complement Fixation Tests; D006041:Goats; D011778:Q Fever / Q000276:immunology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*