Lollgen, H. <br/><br/>
ECG 
H. Lollgen 
 - Frankfurt :  Boehringer Ingelheim,  1992 
 - 152 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>3891430221 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography
<br/><br/><label>National Library of Medicine Call No.: </label>WG140  / .L837e