Assertion: glucosamine's effect | /r/HasProperty | md
Facets:
Source sentences:
text: The structure-modifying effect of glucosamine and chondroitin combination remained uncertain ES, effect size; MD, mean difference; SMD, standardized mean difference; UMD, unstandardized mean difference; VAS, visual analogue scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.