title: A summary of results of a membership survey of the American Industrial Hygiene Association.
mesh_terms: D000328:Adult; D000367:Age Factors; D002568:Certification; D004522:Educational Status; D004651:Employment; D006801:Humans; D007182:Income; D008875:Middle Aged; D009787:Occupational Medicine; D009790:Occupations; D012952:Societies; D013997:Time Factors; D014481:United States