title: Age-related serum vitamin B12 concentrations in epileptic patients receiving valproate monotherapy.
authors.affiliation: Professor, Department of Neurology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Mahmood
authors.initials: M
authors.lastname: Motamedi
authors.forename: Abdorreza Naser
authors.initials: AN
authors.lastname: Moghadasi
authors.forename: Sanaz Ahmadi
authors.initials: SA
authors.lastname: Karvigh
keywords: Age; Valproate; Vitamin B12