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 200 OP 201 DO 10.1136/jramc-95-04-03 VO 95 IS 4 A1 A. J. N. Warrack YR 1950 UL http://militaryhealth.bmj.com/content/95/4/200.abstract AB