CONTENTS — volume 17, no 4, 1991

Original article

Occupational health problems among nurses.
Renal cell cancer and occupational exposure to chemical agents.
Occupation and gastric cancer in Spain.
Occupation and cancer of the oral cavity or oropharynx in Turin, Italy.
Manganese exposure in steel smelters a health hazard to the nervous system.
Effects of occupational exposure to mercury vapor on lymphocyte micronuclei.
Respiratory health of workers exposed to swine confinement buildings only or to both swine confinement buildings and dairy barns.
Histamine and endotoxin contamination of hay and respirable hay dust.
Highlights of the 1990 Leesburg, Virginia, International Workshop on Retrospective Exposure Assessment for Occupational Epidemiology Studies.