Welti, J J <br/><br/>
[The threshold of electrosystolic pacing in man and its variation with time].  [electronic resource] 

 -  Archives des maladies du coeur et des vaisseaux  May 1967 
 - 605-15 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-9683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart Block--therapy<br/>Humans<br/>Pacemaker, Artificial<br/>Time Factors