Fayyazi, Afshin, et al. “Comparing Prophylactic Effect of Levetiracetam, Sodium Valproate, and Propranolol in Pediatric Migraine: A Randomized Clinical Trial”. Iranian Journal of Child Neurology, vol. 17, no. 4, Oct. 2023, pp. 105-1, doi:10.22037/ijcn.v17i1.21330.