Dergiler / Turkish Journal of Urology / 2020 / Cilt: 46 - Sayı: 6Safe PCNL (antegrade URS) in large impacted upper ureteric calculi: A point of techniquePrashant Motiram MULAWKARDergiTurkish Journal of UrologySayı2020 · Cilt: 46 - Sayı: 6Sayfa496–496DOI—