TY  - GEN
AU  - Manal Farouk Elgohary
AU  - Mona Abdelaziz Wassif , 
AU  - Walaa Hassan Gad , 
TI  - Variation of hepatitis B virus / 
PY  - 1996///
CY  - Cairo : 
PB  - Manal Farouk Elgohary , 
N1  - Thesis(M.Sc.) - Cairo University - Faculty of Medicine - Department of Clinical and Chemical Pathology
UR  - http://172.23.153.220/th.pdf
ER  -