Sarpong, K., Mensah, M. and Heymann, H. 2015. Some Alkaloidal Constituents of the Stem Bark of Pachypodanthium Staudtii Engl & Diels . Journal of Science and Technology. 10, 1 (Dec. 2015), 15 - 18. DOI:https://doi.org/10.4314/just.v10i1.1084.