Preventive practices of cancer screening in women: comparison of estimates from ISA – Capital survey and the telephonebased Surveillance of Risk and Protective Factors for Chronic Diseases (VIGITEL – São Paulo) - Segri, Neuber Jos; Francisco, Priscila Maria S. Bergamo; Alves, Maria Cecília Goi Porto; Barros, (*)Marilisa Berti de Azevedo; Cesar, Chester Luiz Galvão; Goldbaum, Moisés; Malta, Deborah Carvalho (Revista brasilieira de epidemiologia, 2011)