TY  - SER
AU  - Rauber,R.H.
AU  - Flores,M.L.
AU  - Pereira,C.E.
AU  - Grigulo,M.
TI  - Elisa evaluation of the levels of antibodies against infectious bronchitis virus in laying hens using egg yolk as substrate
KW  - GEMA DE OVO
KW  - GALINHA PARA POSTURA
KW  - ANTICORPO
KW  - ELISA
KW  - BRONQUITE
ER  -