Unsafe storage of household medicines: results from a cross-sectional study of four-year-olds from the 2004 Pelotas birth cohort (Brazil) - Santos, Delba Fonseca; Silveira, Marysabel Pinto Telis; Camargo, Aline Lins; Manitto, Alicia Matijasevich; Santos, Ina Silva; Barros, Aluisio J. D; Bertoldi, Andrea Damaso (Bmc pediatrics, 2019)