Demirtürk, F., Aytan, H., & Çalışkan, A. (2006). Maternal Serum Zinc Level Is An Independent Factor For Infant Birth Weight, But Not For Preterm Delivery. Gynecology Obstetrics &Amp; Reproductive Medicine, 12(1), 8–11. Retrieved from https://gorm.com.tr/index.php/GORM/article/view/551