Duffy, Jeanne F <br/><br/>
Effect of Light on Human Circadian Physiology.  [electronic resource] 

 -  Sleep medicine clinics  Jun 2009 
 - 165-177 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1556-4088 
<br/><br/><label>Standard No.: </label>10.1016/j.jsmc.2009.01.004  doi