%0 Journal Article %A Polat, Özkan %A Gül, Osman %A Özbey, Isa %A Biçgi, Okan %A Bayraktar, Yılmaz %A Akçali, Ayhan %T Percutaneous nephrostomy applacement in the urinanry tract obstructions %D 1997 %J Laparosc Endosc Surg Sci %P 147-150 %V 4 %N 3 %R %U https://dx.doi.org/