Galvão, T.F., Silva, M.T., Silva, C.D., Barotto, A.M., Gavioli, I.L., Bucaretchi, F. and Atallah, Álvaro N. 2011. Impact of a poison control center on the length of hospital stay of poisoned patients: retrospective cohort. São Paulo Medical Journal. 129, 1 (Jan. 2011), 23–29.