%0 Journal Article %T How can I get a renal access if I do not have an ultrasound and cannot opacify the collecting system? Another use of the hydrophilic guide wire %A Adolfo Serrano %A Alejandra Bravo-Balado %A Ana Mar¨Şa D¨Şaz %A Carlos Gustavo Trujillo %A Catalina Barco-Castillo %J Archive of "Therapeutic Advances in Urology". %D 2019 %R 10.1177/1756287219868603 %K hydrophilic guide wire %K renal access %K percutaneous nephrolithotomy %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6698991/