Trends in the use of psychoactive substances by truck drivers in São Paulo State, Brazil: a time-series cross sectional roadside survey (2009-2016) - Leyton, Vilma; Bombana, Henrique Silva; Magalhães, Juliana Gallottini de; Panizza, Helena do Nascimento; Sinagawa, Daniele Mayumi; Takitane, Juliana; Carvalho, Heraclito Barbosa de; Andreuccetti, Gabriel; Yonamine, Maurício; Gjerde, Hallvard; Munoz, Daniel Romero (Traffic Injury Prevention, 2019)