Teixeira, J. C., C. A. Maestri, H. da C. Machado, L. C. Zeferino, and N. S. de Carvalho. “Incidence Rates and Temporal Trends of Cervical Cancer Relating to Opportunistic Screening in Two Developed Metropolitan Regions of Brazil: A Population-Based Cohort Study”. São Paulo Medical Journal, vol. 137, no. 4, Aug. 2019, pp. 322-8, https://periodicosapm.emnuvens.com.br/spmj/article/view/880.