Integral Theory-based Trans-perineum Ultrasound Exploration of the Pathogenesis of Stress Urinary Incontinence during Pregnancy 
LUO Dan,CHEN Ling,YU Xiajuan,JIN Mei,CAI Wenzhi
Chinese General Practice . 2019, (36): 4520 -4525 .  DOI: 10.12114/j.issn.1007-9572.2019.00.642