SCHUMACHER, C F <br/><br/>
Laboratory analysis of a group screening test for visual acuity.  [electronic resource] 

 -  American journal of optometry and archives of American Academy of Optometry  Dec 1955 
 - 647-59 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9408 
<br/><br/><label>Standard No.: </label>10.1097/00006324-195512000-00003  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Vision, Ocular<br/>Visual Acuity