Mufti T, Khan MS, Dua M-U-, Waqar F. MALIGNANT SACROCOCCYGEAL YOLK SAC (ENDODERMAL SINUS) TUMOR. J Ayub Med Coll Abbottabad [Internet]. 2002 May 1 [cited 2025 Mar. 13];14(2). Available from: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3906