Wit, J.J. Cook, J.K.A. Heijden, H.M.J.F. van der <br/><br/>
Infectious bronchitis virus in Asia, Africa, Australia and Latin America - history, current situation and control measures 

<br/><br/><label>Subjects--Topical Terms: </label><br/>GALINHA<br/>BRONQUITE<br/>EPIDEMIOLOGIA