Salwa S. Abdel Latif1*, Soheir Wanas1, George Abdel Malak1 and Madiha H. Helmy2
1Egyptian Organization for Biological Products and Vaccines (VACSERA), 51 Wezaret Elzeraa St., Agouza ,Giza
2Biochemistry Research Institute, Alexandria university, 165 ElHoria Road, El-Hadra region , Egypt.
