اليوسف غ., and آيات عبّود. “In Vitro Comparative Quality Study of Expired and Unexpired Aspirin Tablets Available in the Local Market”. Tishreen University Journal -Medical Sciences Series, vol. 46, no. 3, Sept. 2024, pp. 535-51, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/17456.