Kumar, Abhijeet, Madhusudan Dey, and Devendra Arora. “Relevance of Invasive Testing in Era of Non-Invasive Testing for Prenatal Chromosomal Abnormalities”. Gynecology Obstetrics & Reproductive Medicine 28, no. 1 (March 30, 2022): 112–117. Accessed April 19, 2024. https://www.gorm.com.tr/index.php/GORM/article/view/1081.