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Efficacy of calcium dobesilate in treating Chinese patients with mild-to-moderate non-proliferative diabetic retinopathy (CALM-DR): protocol for a single-blind, multicentre, 24-armed cluster-randomised, controlled trial

Authors

  1. Correspondence to Zi-lin Sun; sunzilin1963{at}126.com
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Citation

Hu H, Liu J, Wang D, et al
Efficacy of calcium dobesilate in treating Chinese patients with mild-to-moderate non-proliferative diabetic retinopathy (CALM-DR): protocol for a single-blind, multicentre, 24-armed cluster-randomised, controlled trial

Publication history

  • Received September 25, 2020
  • Accepted May 7, 2021
  • First published May 28, 2021.
Online issue publication 
May 28, 2021

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