Kawahara, Takashi Effectiveness of ureteroscopy-assisted retrograde nephrostomy (UARN) for percutaneous nephrolithotomy (PCNL). [electronic resource] - PloS one 2012 - e52149 p. digital Publication Type: Journal Article ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0052149 doi Subjects--Topical Terms: Case-Control StudiesFemaleHumansIntraoperative ComplicationsKidney--surgeryKidney Calculi--surgeryMaleMiddle AgedNephrostomy, Percutaneous--adverse effectsTreatment OutcomeUreteroscopy--adverse effects