Lanova Hersipa, L., . Katrin, and A. Bahtiar. “Pharmacokinetic Profile of Equol in the Combination of 70% Ethanolic Extract Dayak Onion Bulbs (<i>Eleutherine bulbosa</i> (mill.) Urb) and Cowpea (<i>Vigna unguiculata</I> (l.) Walp.) and Their Effect on Postmenopause Syndrome”. Journal of Natural Remedies, vol. 19, no. 4, Jan. 2020, pp. 188-97, doi:10.18311/jnr/2019/24018.