KARADENIZ, R. S.; ALTAY, M.; KARASU, Y.; GELIŞEN, O.; HABERAL, A. Comparison of Triple and Qadrupple Test in Second Trimester Down Syndrome Screening. Gynecology Obstetrics & Reproductive Medicine, Ankara, TR, v. 15, n. 1, p. 4–7, 2009. Disponível em: https://gorm.com.tr/index.php/GORM/article/view/372. Acesso em: 20 apr. 2024.