article 2002 Rupture of ovarian endometrioma in the midtrimester pregnancy: a case report and review of literature ·doi:10.1016/s0015-0282(01)03138-7
article 2002 Transvaginal ultrasonography combined with three-dimensional ultrasonography in the diagnosis of endometrioma ·doi:10.1016/s0015-0282(01)03167-3