OC03.03: Transvaginal colour Doppler ultrasound in early diagnosis of ovarian cancer: our experience since 1999. Issue Volume 58:Issue S1(2021)Supplement (14th October 2021) - Pascual, M.; Graupera, B.; Alcazar, J.; Hereter, L.; Valero, B.; Rodríguez, I.; Guerriero, S.