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