3 Department of Chemical and Biological Working Environment, National Institute of Occupational Health, Oslo, Norway 4 Occupational Medicine and Epidemiology, National Institute of Occupational Health ...

Objective To estimate the association between occupational polycyclic aromatic hydrocarbon (PAH) exposure and female breast cancer. Methods Lifetime work histories for 1130 cases and 1169 controls ...

Correspondence to Dr Hiroki Ikeda, National Institute of Occupational Safety and Health, Japan Organization of Occupational Health and Safety, Kawasaki, Japan; ikedah{at}h.jniosh.johas.go.jp ...

2 Environmental and Occupational Medicine and Epidemiology Program, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA 3 Department of Family Medicine and ...