Frontal electroencephalographic (EEG) activity and mediumship: a comparative study between spiritist mediums and controls . Arch Clin Psychiatry (former: Rev Psiq Clin) [Internet]. 2016 Apr. 1 [cited 2024 Jul. 23];43(2):20-6. Available from: https://periodicos.usp.br/acp/article/view/116253