Soares Neto, Julino A. R., et al. “ The Trade Network of Psychoactive Drugs in the City of Diadema and Its Interest for Public Health, São Paulo, Brazil ”. Saúde E Sociedade, vol. 19, no. 2, June 2010, pp. 310-9, https://doi.org/10.1590/S0104-12902010000200008.