2015, Spa therapy: can be a valid option for treating knee osteoarthritis

Tenti S, Cheleschi S, Galeazzi M, Fioravanti A,

Int J Biometeorol. 2015 Aug;59(8):1133-43. doi: 10.1007/s00484-014-0913-6. Epub 2014 Oct 2

https://www.ncbi.nlm.nih.gov/pubmed/25339582