HELMSWORTH, J A <br/><br/>
[Present trends in cardiotomy methods with direct vision].  [electronic resource] 

 -  Prensa medica argentina  Jul 1955 
 - 2001-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-745X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiac Surgical Procedures<br/>Pericardiectomy<br/>Thoracic Surgery<br/>Thoracic Surgical Procedures