The occupational physican as community physician.
D000041:Absenteeism; D000328:Adult; D001334:Automobile Driving; D003153:Community Health Services; D003327:Coronary Disease / Q000453:epidemiology / Q000534:rehabilitation; D004196:Disease Outbreaks; D005500:Follow-Up Studies; D006801:Humans; D007348:Insurance, Health; D008131:London; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012621:Seasons