EL-MAHDY, S., WASSEL, M., HAMMAD, H. (1994). EXPERIMENTAL STUDIES ON PMV-4 INOCULUM AND HB, VACCINE FOR CONTROL NEWCASTLE DISEASE IN CHICKENS. test, 31.2(62), 215-223. doi: 10.21608/avmj.1994.185520
SUZAN, S. EL-MAHDY; M. WASSEL; H.A. HAMMAD. "EXPERIMENTAL STUDIES ON PMV-4 INOCULUM AND HB, VACCINE FOR CONTROL NEWCASTLE DISEASE IN CHICKENS". test, 31.2, 62, 1994, 215-223. doi: 10.21608/avmj.1994.185520
EL-MAHDY, S., WASSEL, M., HAMMAD, H. (1994). 'EXPERIMENTAL STUDIES ON PMV-4 INOCULUM AND HB, VACCINE FOR CONTROL NEWCASTLE DISEASE IN CHICKENS', test, 31.2(62), pp. 215-223. doi: 10.21608/avmj.1994.185520
EL-MAHDY, S., WASSEL, M., HAMMAD, H. EXPERIMENTAL STUDIES ON PMV-4 INOCULUM AND HB, VACCINE FOR CONTROL NEWCASTLE DISEASE IN CHICKENS. test, 1994; 31.2(62): 215-223. doi: 10.21608/avmj.1994.185520