Ritter, Frank N.,  1928-, <br/><br/>
Atlas of paranasal sinus surgery / 
Frank N. Ritter, Michael H. Fritsch. 
 - viii, 288 pages :  illustrations ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0896401944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paranasal sinuses--Surgery--Atlases.