Butyrylcholinesterase Genetic Variants: Association with Cocaine Dependence and Related Phenotypes - Negrão, André Brooking; Pereira, Alexandre Costa; Guindalini, Camila; Santos, Hadassa Campos; Messas, Guilherme Peres; Laranjeira, Ronaldo; Vallada, Homero (PLOS ONE, 2013)