%0 Journal Article %T Digital Videoscopic Retrograde Intrarenal Surgeries for Renal Stones: Time-to-Maximal Stone Length Ratio Analysis %A Dong Hyuk Kang %A Jae Yong Jeong %A Jong Chan Kim %A Joo Yong Lee %J Archive of "Yonsei Medical Journal". %D 2018 %R 10.3349/ymj.2018.59.2.303 %X To investigate 100 consecutive cases of videoscopic retrograde intrarenal surgery (RIRS) by a single surgeon and to evaluate factors associated with stone-free status and the learning curve thereof %K Urinary calculi %K endoscopes %K treatment outcome %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5823834/