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Letter
Problem with non-inferiority margin: a letter to the editor

Authors

  1. Correspondence to Dr Yun Wang, Department, Beijing Chaoyang Hospital, Beijing 100020, Beijing, China; wangyun129{at}ccmu.edu.cn

Citation

Cai C, Shi R, Wang Y
Problem with non-inferiority margin: a letter to the editor
Regional Anesthesia & Pain Medicine 2022;47:781.

Publication history

  • Received August 22, 2022
  • Accepted August 23, 2022
  • First published September 9, 2022.
Online issue publication 
May 18, 2023

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Copyright information

© American Society of Regional Anesthesia & Pain Medicine 2022. No commercial re-use. See rights and permissions. Published by BMJ.