Wierzbicka-Paczos, E [Endoscopic ultrasonography in the diagnosis of unexplained extrahepatic cholestasis]. [electronic resource] - Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego Oct 1999 - 175-9 p. digital Publication Type: Journal Article ISSN: 1426-9686 Subjects--Topical Terms: AdultAgedCholestasis, Extrahepatic--diagnostic imagingEndosonography--methodsFemaleHumansMaleMiddle AgedRetrospective Studies