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1·Conclusion Interrupted circular suture is one of the efficient methods in controlling postpartum bleeding during caesarean section with placenta previa.

结论环形间断缝合术是前置胎盘胎盘剥离面引起出血的有效止血方法之一。

2·Conclusion: Itsuggests that closed hemorrhoidectomy with interrupted exstrophy mattress suture is of clinical value of popularization.

结论：闭合式痔切除术采用间断褥式外翻缝合有临床价值。