title: Screening for hepatitis B virus infection in Egyptian blood donors negative for hepatitis B surface antigen.
authors: Department of Internal Medicine, Al-Azhar Faculty of Medicine, Al-Azhar University, Nassr City, Cairo, Egypt, assem_elsherif@yahoo.com.
authors: Assem M
authors: AM
authors: El-Sherif
authors: Mohamed A
authors: MA
authors: Abou-Shady
authors: Mohsen A
authors: MA
authors: Al-Hiatmy
authors: Ashraf M
authors: AM
authors: Al-Bahrawy
authors: Elham A
authors: EA
authors: Motawea