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What and what not to conclude from the results of the LEGS study?

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  • Competing interests AGH is employed by IBSA Institut Biochimique SA, a Swiss manufacturer and distributor of a chondroitin sulfate prescription drug and a glucosamine sulfate dietary supplement. Analysis of the publication of the LEGS study and the preparation of this letter were carried out on behalf of IBSA.

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

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