Krishnan Kv <br/><br/>
Netra roga chikitsa ratnam 

 - 6th 
 - Alappuzha  Vidyarambham publishers  2005 
 - 124 
<br/><br/><label>ISBN: </label>8185973032 
<br/><br/><label>Dewey Class. No.: </label>617.5  / KRI/NE