title: Chronic migraine classification: one more attempt of optimization and criteria revision.
authors.affiliation: Department of Neurology and Clinical Neurophysiology, First Sechenov Moscow State Medical University, Ul. Rossolimo 11, Moscow, Russia. osipova_v@mail.ru
authors.forename: Vera
authors.initials: V
authors.lastname: Osipova
authors.forename: Guzyal
authors.initials: G
authors.lastname: Tabeeva
authors.forename: Tatiana
authors.initials: T
authors.lastname: Voznesenskaya
mesh_terms: D020773:Headache Disorders / Q000145:classification*; D006801:Humans; D038801:International Classification of Diseases / Q000639:trends*; D008881:Migraine Disorders / Q000145:classification*; D020326:Migraine without Aura / Q000145:classification*