E. O. Ajayi, S. W. Odeyemi, G. A. Otunola, and A. J. Afolayan, “Characterization and Biological Activities of Silver Nanoparticles Synthesized from Stems of Sarcocephalus latifolius (Sm) E.A. Bruce and Massularia acuminata (G. Don) Bullock ex Hoyl. (Rubiaceae)”, ajc, vol. 29, no. 6, pp. 1240–1248, Apr. 2017.