Balneotherapy in rheumatoid arthritis-a systematic review.

Santos I1, Cantista P, Vasconcelos C
Int J Biometeorol. 2016 Aug;60(8):1287-301. doi: 10.1007/s00484-015-1108-5. Epub 2015 Nov 25

https://www.ncbi.nlm.nih.gov/pubmed/26607275