2014, Crenobalneotherapy (spa therapy) in patients with knee and generalized osteoarthritis: a post-hoc subgroup analysis of a large multicentre randomized trial

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Ann Phys Rehabil Med. 2014 Jun;57(4):213-27. doi: 10.1016/j.rehab.2014.03.001. Epub 2014 Mar 27

https://www.ncbi.nlm.nih.gov/pubmed/24745692