CITATIONS

Term: endodermal sinus tumor
Http://: https://www.cincinnatichildrens.org/health/y/yolk-sac/
Http://: http://en.wikipedia.org/wiki/Germ_cell_tumor
Http://: http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=GB&Expert=876
Http://: http://en.wikipedia.org/wiki/Endodermal_sinus_tumor