00099 THE SURVIVAL BENEFIT OF INTERVAL DEBULKING SURGERY (IDS) IN ADVANCED OVARIAN CANCER IS MAINTAINED DURING TEN YEARS; THE EORTC GCG 55865 STUDY. (1st September 2005) - van der Burg, M. E.; Coens, C.; van Lent, M.; Kobierska, A.; Colombo, N.; Favalli, G.; Lacava, A. J.; Theodorovic, I.; Pecorelli, S.