Frattin, Peter Louis. <br/><br/>
The Matrimonial Impediment of Importance :   Occlusion of Spermatic Ducts and Vaginismus: A Historical Synopsis and a Commentary / 
Peter Louis Frattin. 
 - Washington :  Catholic University of America Press ;  1958. 
 - 117 p. ; 
 - Catholic University of America Canon Law Studies;   381 .
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>   
<br/><br/><label>Dewey Class. No.: </label>G04.6  / F865