title: Sleep apnea headache and headaches with sleep apnea: the importance of being secondary.
authors.affiliation: Department of Neurology, Luigi Sacco Hospital, Headache Centre, Via GB Grassi 74, Milan, Italy carlo.lovati@tiscali.it.
authors.forename: Carlo
authors.initials: C
authors.lastname: Lovati
mesh_terms: D006261:Headache / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D051271:Headache Disorders, Secondary / Q000145:classification* / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D012891:Sleep Apnea Syndromes / Q000175:diagnosis* / Q000453:epidemiology