THE RAILROAD SURGEON. HIS ASSOCIATION, HIS HOSPITALS, HIS PAST, HIS PRESENT.
D013502:General Surgery; D006262:Health; D006664:History; D049672:History, 19th Century; D049673:History, 20th Century; D006761:Hospitals; D006801:Humans; D007341:Insurance; D007348:Insurance, Health; D008511:Medicine; D009787:Occupational Medicine; D011890:Railroads; D012952:Societies; D012955:Societies, Medical; D066231:Surgeons
HISTORY; HISTORY OF MEDICINE, 19TH CENT.; HISTORY OF MEDICINE, 20TH CENT.; HOSPITALS; INDUSTRIAL MEDICINE; INSURANCE, HEALTH; RAILROADS; SOCIETIES, MEDICAL; SURGERY