الأيوب ج. التدخين والولادة الباكرة. Tishreen University Journal -Medical Sciences Series, [S. l.], v. 31, n. 1, 2019. Disponível em: https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/6590. Acesso em: 10 may. 2024.