Ezinne Chinecherem Okorafor, Michel Tchimene Kenne, Bonaventure Chinonso Obi, Wilfred Ofem Obonga, Theophine Chinwuba Akunne, and Adaobi Chioma Ezike. “Studies on Antioxidant and Hepatoprotective Activities of Extracts and Active Fraction of Pachypodanthium Staudtii (Annonaceae) Stem Bark: Activities of Fraction of Pachypodanthium Staudtii”. Biological Sciences - PJSIR, vol. 67, no. 1, Mar. 2024, pp. 30-41, http://www.v2.pjsir.org/index.php/biological-sciences/article/view/3050.