4Beard RW,Highman JH,Pearce S,et al.Diagnosis of pelvic varico-sities in women with chronic pelvic pain.Lancet,1984,2(8409):946-949.
5Merce LT,Bau S,Bajo JM.Doppler study of arterial and venous intraovarian blood flow in stimulated cycles.Ultrasound Obstet Gynecol,2001,18(5):505-510.