The incidence of Postpartum Hemorrhage (PPH) is increasing in the western world. We hypothesize that magnesium sulfate (......

痔上黏膜环形切除钉合术(PPH)一种创新性的手术术，是意大利人Longo首先报道的［1~3］。我国于2002年7月从新加坡引进PPH技术，为探讨其临......