008340000a22002650004500 PH-MaWHO 20241108112246.0 World Health Organization. Office of Occupational Health. 650375 Biological monitoring of chemical exposure in the workplace : volume 1 : guidelines. WHO/HPR/OCH-96.1 951-158-9 Geneva : World Health Organization, 1996. (Occupational health for all). 300p. WHO Documents File eng HSE Chemical analysis 653178 Occupational exposure 383763 Biological markers 649056 Environmental monitoring Standards 148442 Workplace 397664 Guidelines 648758 DOC 5997 5997 0 0 0 0 WPRO WPRO 2021-05-23 0 WHO Documents File 05997 2024-01-24 00:00:00 2021-05-23 DOC