TY  - BOOK
AU  - Mohamed Mahmoud Mohamed Abdelrazik
AU  - Mohamed Mahrous Amer , 
AU  - Nadia Mohamed Hassan, 
AU  - Youssef Ibrahim Youssef , 
TI  - Studies on infectious bronchitis disease vaccines in fowls / 
PY  - 1996///
CY  - Cairo : 
PB  - Mohamed Mahmoud Mohamed Abdelrazik , 
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases
UR  - http://172.23.153.220/th.pdf
ER  -