Nwokonkwo, D.C. “The Chemical Constituents and Biological Activities of Stem Bark Extract of Theobroma Cacao”. Global Journal of Science Frontier Research 14, no. E4 (October 15, 2014): 35–40. Accessed May 2, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1416.