O. Celik, S. Hascalik, M. Karaaslan, and B. Mizrak, “The Vanishing Twin ”, Ann Med Res , vol. 10, no. 1, pp. 0031–0032, May 2021, Accessed: Sep. 16, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/2947