M. A. M. Nawwar, N. A. Ayou, S. A. Hussein, A. N. Amani, N. M. Hegaz, and U. Lindequist, “BONE MINERALIZATION ENHANCING ACTIVITY OF A METHOXYELLAGIC ACID GLUCOSIDE FROM A FEIJOA SELLOWIANA LEAF EXTRACT”, Afr J Tradit Complement Altern Med, vol. 6, p. 377, May 2009.