Proceedings of a Conference 

 - Washington :    U.S. Dept. of Health, Education and Welfare ,    196 9. 
 - 103 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Heart Diseases
<br/><br/><label>National Library of Medicine Call No.: </label>WY 156   /  Ou8c