Asser Ahmed Ehsan <br/><br/>
Management of persistent corneal ulcers /  
 مناجزة قرح القرنية المستعصية 
Asser A. Ehsan ; Supervised Mohamed I. Ayoub , Amr S. Abdelhakim , Fatma S. Sobhi 
 - Cairo :   Asser Ahmed Ehsan ,   1996 
 - 211 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Ophthalmology