Ancylostoma duodenale and the Saint Gothard anaemia.
D000724:Ancylostomiasis / Q000453:epidemiology / Q000266:history* / Q000628:therapy; D000740:Anemia / Q000209:etiology / Q000266:history*; D004196:Disease Outbreaks / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D008297:Male; D008906:Mining / Q000266:history*; D009784:Occupational Diseases / Q000266:history*; D011890:Railroads / Q000266:history; D013557:Switzerland