Mulder, A W <br/><br/>
[Frequent ventricular extrasystoles during physical exertion].  [electronic resource] 

 -  Nederlands tijdschrift voor geneeskunde  Nov 1973 
 - 1646-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-2162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Cardiac Complexes, Premature--drug therapy<br/>Exercise Test<br/>Humans<br/>Male<br/>Physical Exertion<br/>Practolol--therapeutic use<br/>Sports