Risner, G D <br/><br/>
Proceedings: Automatic detection of the effective refractory period of the A-V node.  [electronic resource] 

 -  Biomedical sciences instrumentation  Apr 1974 
 - 11-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0067-8856 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Automation<br/>Electrocardiography--instrumentation<br/>Heart Conduction System<br/>Humans