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The effect of methylene blue infiltrating injection on anal pain after Milligan-Morgan surgery: A randomized

Jing Zhu1, Heng Deng2, Ming Li3

  • 1Department of Anorectal Surgery, The South District of Hefei First People's Hospital, Hefei Binhu Hospital, Hefei, China.

Medicine
|February 13, 2026
PubMed
Abstract

Keywords:
methylene bluemixed hemorrhoidspain managementrandomized controlled trial

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