Adebisi, Adebayo, et al. “Determination of Neurophysiological P300 and P50 in Patients With Schizophrenia at a Tertiary Hospital in Sokoto, Nigeria”. African Journal of Tropical Medicine and Biomedical Research, vol. 7, no. 2, Jan. 2025, pp. 87-103, https://doi.org/10.4314/ajtmbr.v7i2.7.