Western Association of Railway and Industrial Surgeons.
D002140:California; D013502:General Surgery / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D011890:Railroads / Q000266:history*; D012955:Societies, Medical / Q000266:history*; D014481:United States