حاج احمد ر. . ., هلا يني, & لؤي حسن. (2022). Risk factors for preterm birth in newborns at neonatal intensive care unit . Tishreen University Journal -Medical Sciences Series, 44(5), 361–371. Retrieved from https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/13323