Ling, R Q <br/><br/>
[Clinical ECG observations on intra-atrial ectopic pacemaker conduction (author's transl)].  [electronic resource] 

 -  Zhonghua xin xue guan bing za zhi  Mar 1981 
 - 6-11 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0253-3758 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Arrhythmias, Cardiac--physiopathology<br/>Electrocardiography<br/>Female<br/>Heart Conduction System--physiopathology<br/>Humans<br/>Male<br/>Middle Aged