TY  - GEN
AU  - Ayman Mohammed Khalaf
AU  - Ahmed Farag Ahmed Farag , 
AU  - Gamal Moustafa Saied , 
AU  - Moustafa Elsharkawi , 
TI  - Mastagia / 
PY  - 1999///
CY  - Cairo : 
PB  - Ayman Mohammed Khalaf , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of General Surgery
UR  - http://172.23.153.220/th.pdf
ER  -