LEWIS, H E <br/><br/>
Sleep and wakefulness in the arctic.  [electronic resource] 

 -  Lancet (London, England)  Jun 1957 
 - 1262-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(57)92298-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arctic Regions<br/>Cold Temperature<br/>Humans<br/>Sleep<br/>Wakefulness