TY - GEN AU - Karvonen, M. AU - Mikheev, Mikhail I. ED - World Health Organization. Regional Office for Europe. TI - Epidemiology of occupational health T2 - WHO regional publications. European series ; no. 20) SN - 9289011114 PY - 1986/// CY - Copenhagen : PB - WHO Regional Office for Europe KW - Occupational diseases KW - Epidemiology KW - Occupational health services KW - Europe KW - Occupational medicine ER -