Visual care in Puerto Rico 
José A. Salicetti... [et al.] 
 - Washington, D.C.  U.S. Department of Health & Human Services  1980- 
 - v.  ill. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye--Care and hygiene.<br/>Vision
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Vision.