Roy, Frederick Hampton. <br/><br/>
Ocular differential diagnosis / 
Frederick Hampton Roy. 
 - 7th ed. 
 - Philadelphia :  Lippincott Williams & Wilkins,  c2002. 
 - xi, 684 p. :  ill.   24.5 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780781736077;0781736072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diagnosis, Differential<br/>Eye Diseases
<br/><br/><label>National Library of Medicine Call No.: </label>WW 18.2  / .R69 2002