TY  - SER
AU  - Wit,J.J.
AU  - Cook,J.K.A.
AU  - Heijden,H.M.J.F.van der
TI  - Infectious bronchitis virus in Asia, Africa, Australia and Latin America - history, current situation and control measures
KW  - GALINHA
KW  - BRONQUITE
KW  - EPIDEMIOLOGIA
ER  -