Drug use by truck drivers in Brazil: a historical analysis during 2009-2012 - Sinagawa, Daniele Mayumi; Takitane, Juliana; Endo, Ligia Góes; Carvalho, H; Andreuccetti, Gabriel; Yonamine, Maurício; Rohlfs, W; Novo, G; Santos, a; Leyton, Vilma (Annual Meeting of the International Association of Forensic Toxicologists (TIAFT), 2014)