Menna-Barreto, L <br/><br/>
Sleep duration preferences in 4 to 14 month old babies.  [electronic resource] 

 -  Progress in clinical and biological research  1990 
 - 681-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0361-7742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activity Cycles--physiology<br/>Circadian Rhythm--physiology<br/>Female<br/>Humans<br/>Infant<br/>Male<br/>Periodicity<br/>Sleep--physiology<br/>Time Factors