Cocaine toxicological findings in cases of violent death in São Paulo city – Brazil - Pego, Ana Miguel Fonseca; Franco de Oliveira, Sarah Carobini Werner de Souza Eller; Oliveira, Tiago Franco de; Leyton, Vilma; Miziara, Ivan Dieb; Yonamine, Maurício (International Symposium on Pathophysiology and Toxicology/ISPAT, 2018)