卡前列素氨丁三醇联合纱条宫内填塞治疗前置胎盘的疗效探讨
잡전렬소안정삼순연합사조궁내전새치료전치태반적료효탐토
Observation on the Effect of Carboprost Tromethamine Combined with In-trauterine Packing with Gauze in the Treatment of Placenta Previa