Dragoĭchev, Ch <br/><br/>
[15 years of the surgical treatment of congenital heart defects in early childhood].  [electronic resource] 

 -  Khirurgiia  1980 
 - 465-9 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0450-2167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bulgaria<br/>Child, Preschool<br/>Extracorporeal Circulation--mortality<br/>Heart Defects, Congenital--mortality<br/>Humans<br/>Infant