[Electrocardiographic studies of cows with leukemia].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography / Q000662:veterinary*; D005260:Female; D007938:Leukemia / Q000503:physiopathology / Q000662:veterinary*
Badania elektrokardiograficzne krów chorych na białaczke.