1. ^{{cite web|title=Gene Therapy Research Switches Off Joint Inflammation; Switches On Genetic Process Of Joint Repair|url=http://www.medicalnewstoday.com/articles/54586.php|work=Gene Therapy Research Switches Off Joint Inflammation; Switches On Genetic Process Of Joint Repair}}
2. ^{{cite journal|last=Mehta|first=Komal|author2=Jayesh Gala |author3=Surendra Bhasale |author4=Sattayasheel Naik |author5=Millind Modak |author6=Harshad Thakur |author7=Nivedita Deo |author8=Mark JS Miller |journal=BMC Complementary and Alternative Medicine|date=October 31, 2007|volume=7|series=34|doi=10.1186/1472-6882-7-34|url=http://www.biomedcentral.com/1472-6882/7/34/abstract|title=Comparison of glucosamine sulfate and a polyherbal supplement for the relief of osteoarthritis of the knee: a randomized controlled trial [ISRCTN25438351]|pages=34|pmid=17974032|pmc=2131759}}