PT - JOURNAL ARTICLE AU - C. Gray TI - Preventive medicine becomes a reality at conference on occupational health DP - 1979 Nov 17 TA - Canadian Medical Association Journal PG - 1396--1398 VI - 121 IP - 10 4099 - http://www.cmaj.ca/content/121/10/1396.short 4100 - http://www.cmaj.ca/content/121/10/1396.full SO - CMAJ1979 Nov 17; 121