RT Journal Article SR Electronic T1 A Doctor's Approach to Industrial Medicine JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 242 OP 242 DO 10.1136/oem.17.3.242 VO 17 IS 3 A1 J. A. Smiley YR 1960 UL http://oem.bmj.com/content/17/3/242.1.abstract AB