Samper Villagrasa, M P <br/><br/>
[Quantification of heart rate variability in newborn infants and during the first 6 months of age].  [electronic resource] 

 -  Anales espanoles de pediatria  Sep 1989 
 - 196-200 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0302-4342 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Electrocardiography<br/>Heart Rate--physiology<br/>Humans<br/>Infant<br/>Infant, Newborn