Hylen, J C <br/><br/>
Aortic ball variance. Diagnosis and treatment.  [electronic resource] 

 -  Annals of internal medicine  Jan 1970 
 - 1-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-4819 
<br/><br/><label>Standard No.: </label>10.7326/0003-4819-72-1-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aortic Diseases--pathology<br/>Aortic Valve<br/>Autopsy<br/>Follow-Up Studies<br/>Heart Auscultation<br/>Heart Valve Diseases--diagnosis<br/>Heart Valve Prosthesis--adverse effects<br/>Humans<br/>Mitral Valve<br/>Phonocardiography<br/>Radiography