Legislative developments in Québec.
D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007883:Legislation, Medical; D009784:Occupational Diseases / Q000517:prevention & control; D009787:Occupational Medicine / Q000266:history; D011247:Pregnancy; D011322:Primary Prevention; D011634:Public Health / Q000266:history; D011792:Quebec