Matzen, P Endoscopic retrograde cholangiopancreatography and transhepatic cholangiography in patients with suspected obstructive jaundice. A randomized study. [electronic resource] - Scandinavian journal of gastroenterology Sep 1982 - 731-5 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0036-5521 Standard No.: 10.3109/00365528209181086 doi Subjects--Topical Terms: AdultAgedCholangiography--methodsCholangiopancreatography, Endoscopic RetrogradeCholestasis--diagnostic imagingClinical Trials as TopicFemaleHumansMaleMiddle AgedRandom Allocation