Die Kur - Kraft für Körper, Seele und den Alltag

2018, Efficacy of spa therapy, mud-pack therapy, balneotherapy and mud bath therapy in the management of knee osteoarthritis. A systematic review

2018 Fraioli A, Mennuni G, Fontana M. et al

Biomed Res Int. 2018; 2018: 1042576. PMC free article.

https://pubmed.ncbi.nlm.nih.gov/30046586/