RT Journal Article SR Electronic T1 The National Tuberculin Survey and the Army JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 151 OP 156 DO 10.1136/jramc-95-03-04 VO 95 IS 3 A1 A. J. N. Warrack YR 1950 UL http://militaryhealth.bmj.com/content/95/3/151.abstract AB