@article{12688, keywords = {Antigens, Bacterial, Humans, leprosy, Tuberculin, Tuberculin Test, Tuberculosis, Pulmonary}, author = {Rea T H and Seltzer R and Levan N E}, title = {Letter: Comparative tuberculin reactions.}, year = {1974}, journal = {JAMA}, volume = {229}, pages = {1165}, month = {1974 Aug 26}, issn = {0098-7484}, doi = {10.1001/jama.229.9.1165b}, language = {eng}, }