Moaref, Ali Reza <br/><br/>
Patent foramen ovale in patients with tension headache: is it as common as in migraineurs? An age- and sex-matched comparative study.  [electronic resource] 

 -  The journal of headache and pain  Dec 2009 
 - 431-4 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>1129-2377 
<br/><br/><label>Standard No.: </label>10.1007/s10194-009-0154-y  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Distribution<br/>Causality<br/>Cerebral Arteries--physiopathology<br/>Cerebrovascular Circulation--physiology<br/>Comorbidity<br/>Echocardiography<br/>Female<br/>Foramen Ovale, Patent--diagnostic imaging<br/>Humans<br/>Male<br/>Middle Aged<br/>Migraine Disorders--epidemiology<br/>Prevalence<br/>Sex Distribution<br/>Tension-Type Headache--epidemiology<br/>Valsalva Maneuver--physiology<br/>Young Adult