Prangen, A de H <br/><br/>
Divergence Insufficiency: A Clinical Study.  [electronic resource] 

 -  Transactions of the American Ophthalmological Society  1937 
 - 136-48 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0065-9533