Madureira, P. R. de, E. M. D. Capitani, R. J. Vieira, A. M. Sakuma, A. S. Toledo, and S. M. Mello. “Lead Poisoning Due to Gunshot Bullet in Contact With Cerebrospinal Fluid: Case Report”. São Paulo Medical Journal, vol. 127, no. 1, Jan. 2009, pp. 52-54, https://periodicosapm.emnuvens.com.br/spmj/article/view/1841.