The role of occupational health and hygiene in industry, Part 1 Authors: Yousefi V. Source: Natl Safety & Occup Hyg J. 1991; 51(3):22-23. Babalwa Jekwa2019-04-02T15:20:07+02:00Dec 31st, 1991| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail