TY  - GEN
AU  - Nelly Omar Ali Mohamed
AU  - Hassan Mohamed Elsaid , 
AU  - Mahmoud M. Amin Abdelhady , 
AU  - Nawal Mohamed Ali Youssef , 
TI  - Some epidemiological and immunological studies on respiratory viral infection in calves / 
PY  - 2002///
CY  - Cairo : 
PB  - Nelly Omar Ali Mohamed , 
KW  - Epidemiological
KW  - Respiratory viral infection
N1  - Thesis (Ph.D.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Internal Medicine and Infectious Diseases
ER  -