Felício, André Carvalho <br/><br/>
Epidemiology of primary and secondary headaches in a Brazilian tertiary-care center.  [electronic resource] 

 -  Arquivos de neuro-psiquiatria  Mar 2006 
 - 41-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0004-282X 
<br/><br/><label>Standard No.: </label>10.1590/s0004-282x2006000100009  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Age Distribution<br/>Age Factors<br/>Age of Onset<br/>Brazil--epidemiology<br/>Cluster Headache--diagnosis<br/>Educational Status<br/>Female<br/>Headache--diagnosis<br/>Humans<br/>Male<br/>Middle Aged<br/>Migraine Disorders--diagnosis<br/>Prevalence<br/>Retrospective Studies<br/>Sex Distribution<br/>Sex Factors<br/>Tension-Type Headache--diagnosis