“Studies on Viburnum nervosum Hook: Chemistry and Spectroscopy of Bergenin and its Derivatives” (2018) The East and Central African Journal of Pharmaceutical Sciences, 12(1), pp. 23–25. Available at: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/88 (Accessed: 3 July 2026).