Epidemiological, parasitological and molecular aspects of Giardia duodenalis infection in children attending public daycare centers in southeastern Brazil - Santos, C. K. S; Grama, D. F; Limongi, J. E; Costa, F. C; Couto, T. R; Soares, Rodrigo Martins; Mundim, M. J. S; Cury, Márcia C (Transactions of the Royal Society of Tropical Medicine and Hygiene, 2012)