C. H. Okonkwo, A. C. . Ezike, C. A. Onyeto, F. N. . Mbaoji, E. O. . Adesanya, and S. A. . Egieyeh, “Exploring the leaf fractions of Landolphia owariensis P. Beauv. for bioactive constituents, in vivo and beta hematin inhibitory antimalarial activity”, German J Pharm Biomaterials, vol. 4, no. 3, pp. 23–34, Dec. 2025.