Glucosamine and Chondroitin Sulfate for Knee OsteoarthritisClegg, Daniel O.Reda, Domenic JAuthor informationUniversity of Utah, Salt Lake City, UT 84132 (Clegg)[email protected]Department of Veterans Affairs Cooperative Studies, Coordinating Center, Hines, IL 60141 (Reda)New England Journal of Medicine 354(20):p 2185, May 18, 2006.Copyright © 2006 Massachusetts Medical Society. All rights reserved.