Hidayat, R. “Principles and Applications of Amniocentesis and Chorionic Villus Sampling (CVS) for Prenatal Diagnosis of Genetic Disorders”. Sriwijaya Journal of Obstetrics and Gynecology, Vol. 1, no. 2, Dec. 2023, pp. 30-33, doi:10.59345/sjog.v1i2.95.