[The tuberculin reaction in the differential diagnosis of lung diseases in the aged].
D000368:Aged; D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D006801:Humans; D055633:Immune System Phenomena; D008171:Lung Diseases / Q000175:diagnosis*; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin
LUNG DISEASES/diagnosis; TUBERCULIN REACTION/in old age