title: Cognitive Impairment in Patients with Multiple Sclerosis.
authors.affiliation: Clinic of Neurology, Etimesgut Military Hospital, Ankara, Turkey.
authors.forename: Hakan
authors.initials: H
authors.lastname: Akgün
authors.affiliation: Clinic of Neurology, Kasımpaşa Military Hospital, İstanbul, Turkey.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Yücel
authors.affiliation: Department of Neurology, Gülhane Military Medical Academy, Ankara, Turkey.
authors.forename: Oğuzhan
authors.initials: O
authors.lastname: Öz
authors.affiliation: Department of Neurology, Gülhane Military Medical Academy, Ankara, Turkey.
authors.forename: Şeref
authors.initials: Ş
authors.lastname: Demirkaya