Occupational health institutes: an international survey.
D000222:Adaptation, Physiological; D000223:Adaptation, Psychological; D000328:Adult; D004503:Education, Medical, Graduate; D004781:Environmental Exposure; D006801:Humans; D007390:International Agencies; D008875:Middle Aged; D009784:Occupational Diseases / Q000517:prevention & control*; D009787:Occupational Medicine; D014944:World Health Organization