RT Journal Article SR Electronic T1 Ovarian yolk sac tumor JF International Journal of Gynecologic Cancer JO Int J Gynecol Cancer FD BMJ Publishing Group Ltd SP 797 OP 798 DO 10.1136/ijgc-2021-002538 VO 31 IS 5 A1 Teresa Iscar A1 Carolina Arean A1 Luis Chiva A1 Julian Sanz YR 2021 UL http://ijgc.bmj.com/content/31/5/797.abstract AB