Canine pulmonary disease. II. Retrospective radiographic analysis of pulmonary disease in rural and urban dogs.
D000367:Age Factors; D000397:Air Pollution; D000818:Animals; D002908:Chronic Disease; D003710:Demography; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D004781:Environmental Exposure; D008171:Lung Diseases / Q000000981:diagnostic imaging / Q000662:veterinary*; D010414:Pennsylvania; D011859:Radiography; D012189:Retrospective Studies