PT - JOURNAL ARTICLE AU - Barron, R. D. TI - Industrial hygiene programs DP - 1978 May 06 TA - Canadian Medical Association Journal PG - 1040--1041 VI - 118 IP - 9 4099 - http://www.cmaj.ca/content/118/9/1040.short 4100 - http://www.cmaj.ca/content/118/9/1040.full SO - CMAJ1978 May 06; 118