TY  - GEN
AU  - Mohamed Yasser Sayed Saif
AU  - Geehan Helmy , 
AU  - Ismail Gawdat , 
TI  - Erbium : YAG laser in anterior segment surgeries / 
PY  - 1999///
CY  - Cairo : 
PB  - Mohamed Yasser Sayed Saif , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of Ophthalmology
ER  -