Muth, E R <br/><br/>
Cardiac spectral power reflects parasympathetic but not sympathetic nervous system activity in a clinical population.  [electronic resource] 

 -  Journal of the autonomic nervous system  Nov 1996 
 - 201-3 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0165-1838 
<br/><br/><label>Standard No.: </label>10.1016/s0165-1838(96)00073-2  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Blood Pressure--physiology<br/>Cardiovascular System--innervation<br/>Female<br/>Heart Rate--physiology<br/>Humans<br/>Middle Aged<br/>Parasympathetic Nervous System--physiology<br/>Sympathetic Nervous System--physiology<br/>Valsalva Maneuver--physiology