TY  - GEN
T1  - Spray vaccination against Newcastle disease: efficacy of Newcastle disease V4 vaccine
A1  - Ibrahim, A. Latif
LA  - English
YR  - 1979
UL  - http://discoverylib.upm.edu.my/discovery/Record/oai:psasir.upm.edu.my:18931
KW  - Newcastle disease - Vaccination
KW  - Newcastle disease virus
KW  - Poultry - Virus diseases
ER  -