1. Tawfik, D.M., T.A. Ahmad, S.A. Sheweita, M. Haroun and L.H. El-Sayed, 2017. The identification of the key antigenic determinants of Acinetobacter baumannii. Immunol. Lett., 186: 59-67.
2. Ahmad, T.A., S.S. Rammah, S.A. Sheweita, M. Haroun and L.H. El-Sayed, 2017. The enhancement of the Pasteurella’s bacterin by propolis extracts. Rep. Biochem. Mol. Biol., Vol.6, .
3. Ahmad, T.A., D.M. Tawfik, S.A. Sheweita, M. Haroun and L.H. El-Sayed, 2016. Development of immunization trials against Acinetobacter baumannii. Trials Vaccinol., 5: 53-60.
   CrossRef  |  Direct Link  |  
4. Ahmad, T.A., B.A. El-Sayed and L.H. El-Sayed, 2016. Development of immunization trials against Eimeria spp. Trials Vaccinol., 5: 38-47.
   CrossRef  |  Direct Link  |  
5. Ahmad, T.A., A.E. Eweida, L.H. El-Sayed, 2016. T-cell epitope mapping for the design of powerful vaccines. Vaccine Rep., 6: 13-22.
   CrossRef  |  Direct Link  |  
6. Ahmad, T.A., A.E. Eweida and S.A. Sheweita, 2016. B-cell epitope mapping for the design of vaccines and effective diagnostics. Trials Vaccinol., 5: 71-83.
   CrossRef  |  Direct Link  |  
7. Ahmad, T.A., S.S. Rammah, S.A. Sheweita, M. Haroun and L.H. El-Sayed, 2014. Development of immunization trials against Pasteurella multocida. Vaccine, 32: 909-917.
   CrossRef  |  Direct Link  |  
8. El-Sayed, L.H., M. Haroun, A.A. Hussein, E.S.H. El Ashry and T.A. Ahmad, 2012. Screening of novel epitopes in Klebsiella pneumoniae, as target for vaccine design. Int. J. Immunol. Stud., 1: 336-348.
   CrossRef  |  Direct Link  |  
9. El Ashry, E.S.H. and T.A. Ahmad, 2012. The use of propolis as vaccine’s adjuvant. Vaccine, 31: 31-39.
   CrossRef  |  Direct Link  |  
10. Ahmad, T.A., M. Haroun, A.A. Hussein, E.S.H. El-Ashry and L.H. El-Sayed 2012. Development of a new trend conjugate vaccine for the prevention of Klebsiella pneumoniae. Infect. Dis. Rep., 4: 128-133.
    CrossRef  |  Direct Link  |  
11. Ahmad, T.A., L.H. El-Sayed, M. Haroun, A.A. Hussein and E.S.H. El-Ashry, 2012. Development of immunization trials against Klebsiella pneumoniae. Vaccine, 30: 2411-2420.
    CrossRef  |  Direct Link  |  
12. Ghobrial, M., S. Omar and T. Adnan, 2007. Potential for finding new bioactive agents from selected aquatic plant extracts against enteric bacteria. Egypt. J. Nat. Toxins, 4: 12-24.
    Direct Link  |