TY  - BOOK
AU  - Kumar,P.N.
TI  - Studies on infectious bronchitis serological survey of the prevalence of the disease based on serum neutralization and gel-precipitation tests
KW  - Disease transmission
KW  - Pathogensis
KW  - Airborne infection
KW  - infection diseases
KW  - Immunological
KW  - Chemical reactions
ER  -