Friedman, Joseph H <br/><br/>
Yawning, or not having enough to do.  [electronic resource] 

 -  Medicine and health, Rhode Island  Aug 2012 
 - 234 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1086-5462 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomedical Research<br/>Boredom<br/>Humans<br/>Yawning