Gardiner, J. <br/><br/>
The ECG--what does it tell ? / 
J. Gardiner 
 - Cheltenham :  Stanley Thornes,  1981 
 - 60 p. :  ill. ;  17 cm. 
<br/><br/><label>ISBN: </label>085950302X  RM77.18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography
<br/><br/><label>National Library of Medicine Call No.: </label>WG140