Gershen, Joy A. <br/><br/>
The nuva-system for restoring fractured parmanent anterior teeth / 
by Joy A. Gershen 
 - Washington, D.C. :  U.S. Government Printing Office,  1976 
 - 44 p. :  fig. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dentistry<br/>Teeth--Radiography
<br/><br/><label>Dewey Class. No.: </label>617.6