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Fig 1 | BMC Musculoskeletal Disorders

Fig 1

From: Efficacy and safety of single injection of cross-linked sodium hyaluronate vs. three injections of high molecular weight sodium hyaluronate for osteoarthritis of the knee: a double-blind, randomized, multi-center, non-inferiority study

Fig 1

Patient Distribution. The bars in the far left indicate each visit; however, the distance between each visit is not proportional to the actual time because of the limited space. Patients randomized to the cross-linked hyaluronate (XLHA) group received two placebo injections before the third injections, which was given as XLHA

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