Emergency Treatment of Renal Colic during Pregnancy:a Report of 18 Cases 
SUN Min,LIU Liang,NAN Yukui,QI Feibo,SHU Xing,ZHANG Zhiqiang,YAO Lizhong,WEN Bin
Chinese General Practice . 2018, (29): 3636 -3638 .  DOI: 10.12114/j.issn.1007-9572.2018.00.016