Makarov, L M <br/><br/>
[Features of the variability of the cardiac circadian rhythm under conditions of free activity].  [electronic resource] 

 -  Fiziologiia cheloveka   
 - 56-62 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0131-1646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Circadian Rhythm--physiology<br/>Heart Rate--physiology<br/>Humans