NINTH Annual Congress on Industrial Health; report of the panel on environment hygiene; Drake Hotel, Chicago, Jan. 18-19, 1949.
D002641:Chicago; D004777:Environment; D006801:Humans; D006920:Hygiene; D007221:Industry; D009784:Occupational Diseases; D016272:Occupational Health; D009790:Occupations
INDUSTRY AND OCCUPATIONS