El-Koffy, M., A, A., El-khaleek, A., A, A. (2005). PREPARATION AND EVALUATION OF COMBINED INACTIVATED ALUMINIUM HYDROXIDE GEL VACCINE AGAINST DUCK VIRUS HEPATITIS AND DUCK PLAGUE DISEASES PRIVATE. test, 53(4), 901-909. doi: 10.21608/vmjg.2005.385435
Mervat El-Koffy; Aboul-khair A; A El-khaleek; Abdelwanis A. "PREPARATION AND EVALUATION OF COMBINED INACTIVATED ALUMINIUM HYDROXIDE GEL VACCINE AGAINST DUCK VIRUS HEPATITIS AND DUCK PLAGUE DISEASES PRIVATE". test, 53, 4, 2005, 901-909. doi: 10.21608/vmjg.2005.385435
El-Koffy, M., A, A., El-khaleek, A., A, A. (2005). 'PREPARATION AND EVALUATION OF COMBINED INACTIVATED ALUMINIUM HYDROXIDE GEL VACCINE AGAINST DUCK VIRUS HEPATITIS AND DUCK PLAGUE DISEASES PRIVATE', test, 53(4), pp. 901-909. doi: 10.21608/vmjg.2005.385435
El-Koffy, M., A, A., El-khaleek, A., A, A. PREPARATION AND EVALUATION OF COMBINED INACTIVATED ALUMINIUM HYDROXIDE GEL VACCINE AGAINST DUCK VIRUS HEPATITIS AND DUCK PLAGUE DISEASES PRIVATE. test, 2005; 53(4): 901-909. doi: 10.21608/vmjg.2005.385435