1996, Inhibition of proliferation of psoriatic and healthy fibroblasts in cell culture by selected Dead-sea salts 6. März 2020 Levi-Schaffer F, Shani J, Politi Y, Rubinchik E, Brenner S. Pharmacology. 1996 May;52(5):321-8 https://www.ncbi.nlm.nih.gov/pubmed/8807676