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Correspondence
Comment on: ‘Comparison of Tripterygium wilfordii Hook F with methotrexate in the treatment of active rheumatoid arthritis (TRIFRA): a randomised, controlled clinical trial’ by Qian-wen et al

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Footnotes

  • Contributors RBML and DvdH have both contributed to the design, content and writing of this eletter and have both approved the final version.

  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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