Adad, S.J., Souza, M.A.H., Etchebehere, R.M., Saldanha, J.C., Falco, V.A.A. and Murta, E.F.C. 1999. Cyto-histological correlation of 219 patients submitted to surgical treatment due to diagnosis of cervical intraepithelial neoplasia . São Paulo Medical Journal. 117, 2 (Mar. 1999), 81–84.