Russo, R., and R. Corosu. “The Clinical Use of a Preparation Based on Phyto-Oestrogens in the Treatment of Menopausal Disorders”. Acta Biomedica Atenei Parmensis, vol. 74, no. 3, Dec. 2003, pp. 137-43, https://mattioli1885journals.com/index.php/actabiomedica/article/view/2138.