Steimer, T <br/><br/>
Psychogenetically selected (Roman high- and low-avoidance) rats differ in 24-hour sleep organization.  [electronic resource] 

 -  Journal of biological rhythms  Jun 1999 
 - 221-6 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0748-7304 
<br/><br/><label>Standard No.: </label>10.1177/074873099129000632  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Avoidance Learning--physiology<br/>Circadian Rhythm--physiology<br/>Darkness<br/>Genetics, Behavioral<br/>Light<br/>Male<br/>Rats--genetics<br/>Selection, Genetic<br/>Sleep Stages--physiology