Apter, N <br/><br/>
[Delayed sleep phase insomnia].  [electronic resource] 

 -  Duodecim; laaketieteellinen aikakauskirja  1999 
 - 2747-52 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0012-7183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Circadian Rhythm<br/>Diagnosis, Differential<br/>Humans<br/>Melatonin--physiology<br/>Quality of Life<br/>Severity of Illness Index<br/>Sleep<br/>Sleep Disorders, Circadian Rhythm--diagnosis<br/>Wakefulness