Drug delivery Resistance of Blood-Brain-Barrier: Cajanus cajan and Lycopersicon esculentum down-regulated Multi-drug Resistance1 Expression in Cerebrum of Rats. (2023). The East and Central African Journal of Pharmaceutical Sciences, 25(1), 9-16. http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/1454