TY - BOOK AU - Checkoway,Harvey AU - Pearce,Neil AU - Kriebel,David TI - Research methods in occupational epidemiology SN - 0195092422 PY - 2004/// CY - New York PB - Oxford University Press KW - Occupational Diseases KW - epidemiology KW - Epidemiologic Methods KW - Occupational exposure KW - Risk assessment ER -