Reorganization of Secondary and Tertiary Health Care Levels: Impact on the Outcomes of Oral Cancer Screening in the São Paulo State, Brazil - Almeida, Fernanda Campos Sousa de; Cazal, Claudia; Pucca Júnior, Gilberto Alfredo; Silva, Dorival Pedroso da; Frias, Antonio Carlos; Araújo, Maria Ercília de (Brazilian Dental Journal, 2012)