Roland Hardman, Ezekiel Abayomi Sofowora: Isolation and characterization of yamogenin from balanites aegyptiaca. In: Phytochemistry. 9. Jahrgang, Nr.3, März 1970, S.645–649, doi:10.1016/S0031-9422(00)85706-4 (sciencedirect.com).
Roland Hardman, Ezekiel Abayomi Sofowora: Isolation and characterization of yamogenin from balanites aegyptiaca. In: Phytochemistry. 9. Jahrgang, Nr.3, März 1970, S.645–649, doi:10.1016/S0031-9422(00)85706-4 (sciencedirect.com).