Samein, Laith H. “Enkephalin Leucine Microspheres Suspension As a Sustained Antiplaque Antimicrobial Delivery System”. Al Mustansiriyah Journal of Pharmaceutical Sciences 7, no. 1 (June 1, 2010): 30–42. Accessed May 2, 2024. https://ajps.uomustansiriyah.edu.iq/index.php/AJPS/article/view/315.