Serological observations on Chlamydia psittaci infection in Finnish dairy herds.
D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D005260:Female; D005387:Finland; D009956:Psittacosis / Q000276:immunology / Q000662:veterinary*
D000907:Antibodies, Bacterial