case-report 2010 The hockey stick sign in appendiceal endometriosis Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC ·doi:10.1016/S1701-2163(16)34491-7
journal-article 2010 The “Hockey Stick” Sign in Appendiceal Endometriosis Journal of Obstetrics and Gynaecology Canada ·doi:10.1016/s1701-2163(16)34491-7