title: Ascaris lumbricoides in bile duct: endoscopic and radiologic demonstration by ERCP.
mesh_terms: D000328:Adult; D001196:Ascariasis / Q000175:diagnosis*; D001652:Bile Ducts / Q000469:parasitology*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D006801:Humans; D008297:Male