Williams, Cory T <br/><br/>
Persistence, entrainment, and function of circadian rhythms in polar vertebrates.  [electronic resource] 

 -  Physiology (Bethesda, Md.)  Mar 2015 
 - 86-96 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review 
<br/><br/><label>ISSN: </label>1548-9221 
<br/><br/><label>Standard No.: </label>10.1152/physiol.00045.2014  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adaptation, Physiological<br/>Animals<br/>Biological Evolution<br/>Circadian Rhythm--radiation effects<br/>Cold Climate<br/>Cold Temperature<br/>Humans<br/>Light<br/>Photic Stimulation<br/>Photoperiod<br/>Species Specificity<br/>Time Factors<br/>Vertebrates--physiology