TY - GEN ED - Regional Working Group on Occupational Health (1991 : Manila). ED - World Health Organization. Regional Office for the Western Pacific. TI - Regional Working Group on Occupational Health, Manila, 11-15 March 1991 : report T2 - Report series ; no. RS/91/GE/04(PHL) PY - 1991/// CY - Manila : PB - WHO Regional Office for the Western Pacific KW - Occupational health KW - Western Pacific ER -