Chevalier, H <br/><br/>
Evaluation of severe insomnia in the general population: results of a European multinational survey.  [electronic resource] 

 -  Journal of psychopharmacology (Oxford, England)  1999 
 - S21-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0269-8811 
<br/><br/><label>Standard No.: </label>10.1177/026988119901304S04  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Age Factors<br/>Aged<br/>Belgium--epidemiology<br/>Case-Control Studies<br/>Europe--epidemiology<br/>Female<br/>Germany--epidemiology<br/>Humans<br/>Ireland--epidemiology<br/>Male<br/>Prevalence<br/>Quality of Life<br/>Sleep Initiation and Maintenance Disorders--epidemiology<br/>Sleep Wake Disorders--epidemiology<br/>Surveys and Questionnaires<br/>Sweden--epidemiology<br/>United Kingdom--epidemiology