Reminiscences of some current experts and early American sphincterotomy.
Geenen
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Geenen
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D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D016717:Sphincterotomy, Endoscopic / Q000266:history*; D014481:United States