Schad, Nikolaus <br/><br/>
Differential diagnosis of congenital heart diseases  a roentgenographic, electrocardiographic, and phonocardiographic treatise 
By Nikolaus Schad ... et al 
 - Philadelphia :  Grune & Stratton,  1966 
 - 454 p. :  ill. ;  30 cm. 
<br/><br/><label>LCCN: </label>64-012879 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart Defects, Congenital--diagnosis
<br/><br/><label>National Library of Medicine Call No.: </label>WG220  / .S292i 1966 9