TY  - GEN
AU  - Wafaa Mohamed Ahmed
AU  - Azza Badr , 
AU  - Nagwa A. Sedky , 
TI  - The different types of viral hepatitis and their vaccinations / 
PY  - 1998///
CY  - Cairo : 
PB  - Wafaa Mohamed Ahmed , 
N1  - Thesis(M.Sc.) - Cairo University - Faculty of Medicine - Department of Microbiology and immunology
UR  - http://172.23.153.220/th.pdf
ER  -