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Differentiation between various Chondroitin sulfate formulations in symptomatic knee osteoarthritis
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We are very grateful to Professor Lee1 for his senseful comments regarding our recently published paper showing that pharmaceutical-grade chondroitin sulfate is superior to placebo and similar to celecoxib in reducing pain and improving function in patients with knee osteoarthritis.2 We fully …
Footnotes
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.