K. Slawinska, G. Bielecka, K. Iwaniak, S. Wosko, and E. Poleszak, “Selenium and manganese in depression – preclinical and clinical studies”, Curr. Issues Pharm. Med. Sci., vol. 30, no. 3, pp. 151–155, Dec. 2017, doi: 10.1515/cipms-2017-0028.