Batukan, C.; Özgün, M.; Başbuğ, M.; Akgün, H. Cleft Lip With or Without Cleft Palate: Prenatal Diagnosis, Chromosomal Abnormalities, Associated Anomalies and Postnatal Outcome in 18 Fetuses. Gynecol Obstet Reprod Med 2007, 13, 4-8.