Evaluation of tuberculin testing in the elderly.
D000368:Aged; D005069:Evaluation Studies as Topic; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D010414:Pennsylvania; D012494:Sampling Studies; D013223:Statistics as Topic; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis