Incidence and prognostic significance of complete axillary downstaging after primary chemotherapy in breast cancer patients with T1 to T3 tumors and cytologically proven axillary metastatic lymph nodes. - Rouzier,R.; Extra,J.M.; Klijanienko,J.; Falcou,M.C.; Asselain,B.; Vincent-Salomon,A.; Vielh,P.; Bourstyn,E. (J Clin Oncol, 2002)