AMERICAN ASSOCIATION OF RAILWAY SURGEONS. A BRIEF HISTORY.
D005006:Ethnicity; D013502:General Surgery; D006664:History; D006801:Humans; D009787:Occupational Medicine; D011890:Railroads; D012952:Societies; D012955:Societies, Medical; D066231:Surgeons; D014481:United States
HISTORY; INDUSTRIAL MEDICINE; RAILROADS; SOCIETIES, MEDICAL; SURGERY; UNITED STATES