Pediatric pain: prevalence, assessment, and management in a teaching hospital - Linhares, Maria Beatriz Martins; Doca, F. N. P.; Martinez, Francisco Eulogio; Carlotti, Ana Paula de Carvalho Panzeri; Cassiano, R. G. M.; Pfeifer, Luzia Iara; Funayama, Carolina Araujo Rodrigues; Rossi, L. R. G.; Finley, G. A. (Brazilian Journal of Medical and Biological Research, 2012)