title: Unusual cause of biliary obstruction revealed by endoscopic ultrasound and peroral cholangioscopy.
authors.affiliation: Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
authors.forename: Surinder Singh
authors.initials: SS
authors.lastname: Rana
authors.forename: Deepak Kumar
authors.initials: DK
authors.lastname: Bhasin
authors.forename: Chalapathi
authors.initials: C
authors.lastname: Rao
mesh_terms: D002779:Cholestasis / Q000209:etiology* / Q000473:pathology*; D004444:Echinococcosis, Hepatic / Q000175:diagnosis* / Q000473:pathology*; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011860:Radiography, Abdominal; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography / Q000379:methods