Clinical efficacy and safety of laparoscopic Lich⁃Regoir and Cohen techniques in the treatment of uretero⁃ bladder junction malformation in children 
QIU Jie, YU Zhengbo, CHEN Yuzhu, SHI Xiaoxin, LUO Zheng, ZHUANG Likai, GU Shengli.
The Journal of Practical Medicine . 2023, (12): 1541 -1545 .  DOI: 10.3969/j.issn.1006⁃5725.2023.12.014