Retroperitoneal laparoscopic lithotomy, flexible ureteroscopic lithotripsy and percutaneous nephrolithotomy in the treatment of impacted upper ureteral calculi
SHI Jian-guo, WANG Wei-ning, YANG Xiao-xia, HAN Gang, WANG Ling-jun
Journal of Hebei Medical University . 2020, (8): 928 -932 .  DOI: 10.3969/j.issn.1007-3205.2020.08.014