title: [Headache in an epidemic of multiple sclerosis: should other causes be excluded?].
authors.forename: M
authors.initials: M
authors.lastname: Comabella
authors.forename: X
authors.initials: X
authors.lastname: Montalbán
authors.forename: M
authors.initials: M
authors.lastname: Tintoré
authors.forename: A
authors.initials: A
authors.lastname: Codina
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D009103:Multiple Sclerosis / Q000150:complications / Q000175:diagnosis*