PPH加直肠黏膜分段纵行缝合术治疗直肠黏膜内脱垂126例疗效观察
PPH가직장점막분단종행봉합술치료직장점막내탈수126례료효관찰
Observation of 116 cases on the curative effect of internal rectal mucosa prolapse by combination PPH with rectal mucosa longitudinal suture
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