Mufti, T. (2002) “MALIGNANT SACROCOCCYGEAL YOLK SAC (ENDODERMAL SINUS) TUMOR”, Journal of Ayub Medical College Abbottabad, 14(2). Available at: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3906 (Accessed: 13 March 2025).