Lichtlen, P <br/><br/>
[Intensification of the anterior orientation of the QRS lead in pure mitral stenosis. An new vectorical criterium].  [electronic resource] 

 -  Schweizerische medizinische Wochenschrift  Jan 1970 
 - 187-90 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-7672 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Angiocardiography<br/>Blood Pressure