Spa therapy in the treatment of knee osteoarthritis: a large randomised multicentre trial

Forestier R, Desfour H, Tessier JM, Françon A, Foote AM, Genty C, Rolland C, Roques CF, Bosson JL.
Ann Rheum Dis. 2010 Apr;69(4):660-5. doi: 10.1136/ard.2009.113209. Epub 2009 Sep 3.