Assertion: placebo's use | /r/CapableOf | see improvement
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Source sentences:
text: The intravenous use of a combination of N-acetylglucosamine, pentosan polysulfate and sodium hyaluronate in horses with surgically-induced osteoarthritis saw improvements in X-ray changes to the cartilage but not histologically or in biochemical outcomes, suggesting more evidence is needed for this combination and route of administration.