Greenwood, Richard J. <br/><br/>
Sinoatrial heart block, 
by Richard J. Greenwood, David Finkelstein. 
 - Springfield, Ill. :  Thomas,  [1964]. 
 - vii, 94 p.  ill. 
 - American Lecture Series, No. 572. American lectures in circulation .
<br/><br/>Bibliogr.: p. 77-89. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arrhythmia.