Fibroadenoma of the breast morphologic patterns and etiopatogenic considerations - Carvalho, F. M.; Hegg, Roberto; Aguiar, L F; Nisida, A C T; Souza, Aurélio Zecchi de; Teixeira, L. C.; Pinotti, José Aristodemo (World Congress of Gynaecology and Obstetrics, 1991)