Povolný, J [Polyps in the pyeloureteral junction as a cause of hydronephrosis]. [electronic resource] - Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti Nov 1982 - 790-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 0035-9351 Subjects--Topical Terms: ChildHumansHydronephrosis--etiologyKidney Neoplasms--complicationsKidney PelvisMalePolyps--complicationsUreteral Neoplasms--complications