M.Toma, Nawar, and Yehia I.Khalil. “Formulation and Evaluation of Bilayer Tablets Containing Immediate Release Aspirin Layer and Floating Clopidogrel Layer”. Iraqi Journal of Pharmaceutical Sciences, vol. 22, no. 1, Mar. 2017, pp. 40-49, https://doi.org/10.31351/vol22iss1pp40-49.