Antunes, J. da C. F., N. Urbano, J. Estrada, J. Ramos, J. Afonso, J. P. Vieira, and L. Ventura. “Catatonia in a Teenager After Use of Mephedrone As a Recreational Drug”. Scientia Medica, vol. 23, no. 3, Oct. 2013, pp. 175-9, https://revistaseletronicas.pucrs.br/index.php/scientiamedica/article/view/14487.