DAVID T. SMITH, M.D., F.A.C.P.
Fifty years ago practically everyone over 20 years of age in the industrialized areas of Europe and the United States had been infected with human tubercle bacilli and gave strong positive reactions to standard doses of tuberculin. The tuberculin test was used routinely on the pediatric wards but not on the adult wards. Medical students were neither skin-tested nor X-rayed. It was known even then that many developed clinical tuberculosis and some died, but the risk of developing clinical tuberculosis was accepted as a part of the hazard of being a physician.
In the early 1930's reports appeared that showed
SMITH DT. Diagnostic and Prognostic Significance of the Quantitative Tuberculin Tests: The Influence of Subclinical Infections with Atypical Mycobacteria. Ann Intern Med. ;67:919–946. doi: 10.7326/0003-4819-67-5-919
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Published: Ann Intern Med. 1967;67(5):919-946.
Infectious Disease, Mycobacterial Infections.
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