Yeragani, Vikram K <br/><br/>
Effects of caffeine on linear and nonlinear measures of heart rate variability before and after exercise.  [electronic resource] 

 -  Depression and anxiety  2005 
 - 130-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1091-4269 
<br/><br/><label>Standard No.: </label>10.1002/da.20061  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Caffeine--administration & dosage<br/>Central Nervous System Stimulants--administration & dosage<br/>Entropy<br/>Exercise<br/>Exercise Test<br/>Female<br/>Heart Rate--drug effects<br/>Humans<br/>Male<br/>Models, Biological<br/>Time Factors<br/>Vagus Nerve--drug effects