title: Postgraduate education in occupational health in the United Kingdom, United States of America, and Canada in 1969.
mesh_terms: D001315:Australia; D002170:Canada; D004502:Education, Medical, Continuing; D004503:Education, Medical, Graduate; D006920:Hygiene; D009787:Occupational Medicine / Q000193:education*; D012581:Schools, Public Health; D006113:United Kingdom; D014481:United States; D014495:Universities