Kiejna, Andrzej <br/><br/>
Characteristics of sleep disturbances in Poland - results of the National Health Interview Survey.  [electronic resource] 

 -  Acta neuropsychiatrica  Jun 2004 
 - 124-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0924-2708 
<br/><br/><label>Standard No.: </label>10.1111/j.0924-2708.2004.00063.x  doi