Chukwuemeka Paul Azubuike, Sandra Ebele Ejimba, Abel Olusola Idowu, and Issac Adeleke, “Formulation and Evaluation of Antimicrobial Activities of Herbal Cream Containing Ethanolic Extracts of Azadirachta indica Leaves and Aloe Vera Gel ”, J. Pharm. Nutr. Sci., vol. 5, no. 2, pp. 137–142, Apr. 2015.