Bruffaerts, Ronny <br/><br/>
The associations between preexisting mental disorders and subsequent onset of chronic headaches: a worldwide epidemiologic perspective.  [electronic resource] 

 -  The journal of pain  Jan 2015 
 - 42-52 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1528-8447 
<br/><br/><label>Standard No.: </label>10.1016/j.jpain.2014.10.002  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Female<br/>Headache Disorders--epidemiology<br/>Humans<br/>Internationality<br/>Male<br/>Mental Disorders--epidemiology<br/>Middle Aged<br/>Prevalence<br/>Retrospective Studies<br/>Self Report<br/>Sex Factors<br/>Survival Analysis<br/>Time Factors<br/>World Health Organization<br/>Young Adult