Hamamoto Filho, P. T., and M. A. Zanini. “Brainstem Abscess of Undetermined Origin: Microsurgical Drainage and Brief Antibiotic Therapy”. São Paulo Medical Journal, vol. 132, no. 2, Apr. 2014, pp. 121-4, https://periodicosapm.emnuvens.com.br/spmj/article/view/1181.