PT - JOURNAL ARTICLE ED - , TI - Proceedings of the Association of Industrial Medical Officers AID - 10.1136/oem.3.4.276 DP - 1946 Oct 01 TA - British Journal of Industrial Medicine PG - 276--276 VI - 3 IP - 4 4099 - http://oem.bmj.com/content/3/4/276.short 4100 - http://oem.bmj.com/content/3/4/276.full SO - Br J Ind Med1946 Oct 01; 3