2017, Does waterfall aerosol influence mucosal immunity and chronic stress? A randomized controlled clinical trial

Grafetstätter C., Gaisberger M, Prossegger J, Ritter M, Kolarž P, Pichler C, Thalhamer J, Hartl A

J Physiol Anthropol. 2017; 36: 10

https://pubmed.ncbi.nlm.nih.gov/28086991/