TY - JOUR T1 - Preventive medicine becomes a reality at conference on occupational health JF - Canadian Medical Association Journal JO - CMAJ SP - 1396 LP - 1398 VL - 121 IS - 10 AU - C. Gray Y1 - 1979/11/17 UR - http://www.cmaj.ca/content/121/10/1396.abstract ER -