Northridge, D B <br/><br/>
The authors reply.  [electronic resource] 

 -  British heart journal  Nov 1990 
 - 348 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-0769 
<br/><br/><label>Standard No.: </label>10.1136/hrt.64.5.348  doi