صالح حسن, أيوب جهاد, and عبد الله علا. “The Role of Intramuscular Progesterone in the Prevention of Preterm Labor”. Tishreen University Journal -Medical Sciences Series 43, no. 1 (March 9, 2021). Accessed May 12, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/10438.