2019, Untouchability of natural spa waters: Perspectives for treatments within a personalized water safety plan

Margarucci LM, Romano Spica V1, Gianfranceschi G1, Valeriani F
Environ Int. 2019 Dec;133(Pt A):105095. doi: 10.1016/j.envint.2019.105095. Epub 2019 Sep 10

https://www.ncbi.nlm.nih.gov/pubmed/31518929