The detection of enzootic pneumonia in pig herds. I. Eight years general experience with a pilot control scheme.
D000818:Animals; D009175:Mycoplasma Infections / Q000175:diagnosis / Q000662:veterinary*; D011014:Pneumonia / Q000175:diagnosis / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000175:diagnosis*