 | Up a level |
Wandel, Simon; Jüni, Peter; Tendal, Britta; Nüesch, Eveline; Villiger, Peter M; Welton, Nicky J; Reichenbach, Stephan; Trelle, Sven (2010). Effects of glucosamine, chondroitin, or placebo in patients with osteoarthritis of hip or knee: network meta-analysis. BMJ, 341(c4675), c4675. London: BMJ Publishing Group 10.1136/bmj.c4675
