Thinking out of the box: revisiting health surveillance based on medical records oleh Vanderson S. Sampaio, Rafael Lopes, Mina Cintho Ozahata, Helder I. Nakaya, Erick Sousa, José D. Araújo, Marcelo A.S. Bragatte, Anderson F. Brito, Regina Maura Zettoni Grespan, Maria Ligia Damato Capuani, Helves Humberto Domingues, Alessandra Cristina Guedes Pellini, Sheila de Oliveira Garcia Mateos, Mônica Tilli Reis Pessoa Conde, Fabio Eudes Leal, Ester Sabino, Mariangela Simão, Jorge Kalil