Coal and cortisone: manpower in a sick society.
D003031:Coal; D003348:Cortisone; D006761:Hospitals; D007221:Industry; D009784:Occupational Diseases; D009790:Occupations; D012952:Societies; D014798:Vital Statistics
D003031:Coal; D003348:Cortisone
HOSPITALS; INDUSTRY AND OCCUPATIONS; VITAL STATISTICS