TY - BOOK AU - Asser Ahmed Ehsan AU - Amr Salah Eldeen Abdelhakim , AU - Fatma Saleh Sobhi , AU - Mohamed Ibrahim Ayoub , TI - Management of persistent corneal ulcers / PY - 1996/// CY - Cairo : PB - Asser Ahmed Ehsan , N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Ophthalmology UR - http://172.23.153.220/th.pdf ER -