宫腔填纱辅助欣母沛治疗前置胎盘剖宫产产后出血的可行性研究
궁강전사보조흔모패치료전치태반부궁산산후출혈적가행성연구
Effect of Hemabate Joint Utering Plug Yarn for Preventing Postpartum Hemorrhage Due to Placenta Previa at Cesarean Section