“PPH”可以造什么句，PPH造句

Conclusion Compared with PPH, STARR has a better long-term efficacy although its fee is higher and surgery time is longer.

目的：探讨吻合器痔上粘膜环切术（PPH）联合电钳外痔切除术治疗重度痔的临床价值。

The prevention and cure of complication in PPH operation

结论与PPH术相比，STARR术治疗直肠前突虽然在手术住院费用和手术时间上有所增加，但远期疗效较好。

目的通过多中心临床研究进一步评价剪口结扎结合PPH术治疗混合痔的有效*和安全*。