Neuropsychological assessment of current and past crack cocaine users - Oliveira, Lúcio Garcia de; Barroso, Lucia Pereira; Silveira, Camila Magalhães; Sanchez, Zila van der Meer; Ponce, Julio de Carvalho; Vaz, Leonardo José; Nappo, Solange Aparecida (Substance Use & Misuse, 2009)