Abdulamer, Mohammed Abdulrasol, et al. “Seroprevalence of Anti- N-Methyl-D-Aspartate Receptor Antibodies in Children With Seizures of Unknown Cause”. The Turkish Journal of Pediatrics, vol. 63, no. 3, June 2021, pp. 384-92, https://doi.org/10.24953/turkjped.2021.03.005.