Respiratory problems in nursing beef calves.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D009349:Nematode Infections / Q000175:diagnosis / Q000662:veterinary; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000209:etiology / Q000662:veterinary*