http://www.who.int/docstore/peh/archives/women/9411occ.pdf

It presents information on the actual or potential health effects arising directly from exposure to specific occupational hazards, the dearth of information on the health effects of work allocated to women, and points out that jobs allocated to women purportedly to protect their health may, on investigation, be found to pose greater risks than non-female jobs. Document in pdf format; Acrobat Reader required.