خضر سلافه, رمضان لينا, and عبد الرحمن أحمد. “The Relationship Between ABO Blood Group and Pregnancy Complications”. Tishreen University Journal -Medical Sciences Series 44, no. 3 (July 31, 2022): 453–465. Accessed May 3, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12563.