Primary chemotherapy to avoid mastectomy in tumors with diameters of three centimeters or more. - Bonadonna,G.; Veronesi,U.; Brambilla,C.; Ferrari,L.; Luini,A.; Greco,M.; Bartoli,C.; Coopmans de Yoldi,G.; Zucali,R.; Rilke,F. (J Natl Cancer Inst, 1990)