RT Journal Article SR Electronic T1 A randomized, double blind, placebo controlled trial of a topical cream containing glucosamine sulfate, chondroitin sulfate, and camphor for osteoarthritis of the knee. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 826 OP 826 VO 31 IS 4 A1 Jason Theodosakis YR 2004 UL http://www.jrheum.org/content/31/4/826.1.abstract AB