Şahinoğlu, Z., A. C. Celayir, M. R. Asoglu, and N. Özcan. “Type IV Sacrococcygeal Teratoma Associated With Urogenital Sinus: Difficulties in the Prenatal Differential Diagnosis”. Journal of Neonatal Surgery, vol. 2, no. 1, Jan. 2013, p. 9, doi:10.52783/jns.v2.21.