Assertion: glucosamine's effect | /r/HasProperty | chondroitin
Facets:
value: alone
type: MANNER
Source sentences:
text: The study randomly assigned patients to groups test either the effects of taking glucosamine alone, chondroitin alone, glucosamine and chondroitin sulfate in combination, Celebrex (celecoxib, a popular COX-2 inhibitor), or a placebo.