Rita A. Dickson, Kofi Annan, Theophilus C. Fleischer, Isaac K. Amponsah, Kwabena Nsiah, and J.A. Oteng, “Phytochemical Investigations and Nutritive Potential of Eight Selected Plants from Ghana”, J. Pharm. Nutr. Sci., vol. 2, no. 2, pp. 172–177, Jun. 2012.