HEAD, L R <br/><br/>
Formalin fixation of the mitral valve open and closed compared to similar positions of a woven teflon valvular prosthesis.  [electronic resource] 

 -  Quarterly bulletin. Northwestern University (Evanston, Ill.). Medical School  1960 
 - 138-41 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formaldehyde<br/>Humans<br/>Mitral Valve--pathology<br/>Polytetrafluoroethylene