Long Term Immunity to Hepatitis B Vaccine Among a Sample of Secondary School Students in Damietta

Mohamad M. El Mazahi, Hussein M. Abdel Maksoud, Mohamed A. Hady, Mekky A. Ali, Ali N. El- Nawawy and Shaimaa M.A. Ahmad

Journal of Pharmacology and Toxicology 11 ( 1 ): 27 - 32 , 2016