“Effect of Garcinia Kola, Heckel on Bioavailability of Two Commonly Used Drugs (Sulphamethazine and Paracetamol)”. 2011. Nigerian Journal of Biochemistry and Molecular Biology 26 (1): 60-67. https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/268.