The efficacy of infectious bronchitis virus vaccination in the field: association between the ?-IBV IgM response, protection and vaccine application parameters Sjaak De Wit , T H F Fabri , W A J M Swart , Gosse Bijlenga , J Gelb , J J De Wit , Katsufumi Otsuki , N Bumstead , J K A Cook , S J Orbell , M A Woods , M B Huggins , J H Darbyshire , R W Peters , F G Davelaar , B Kouwenhoven , D R Mekkes , Gary G Koch , F Westenbrink , J H Verheijden , A M Di Matteo , M C Sonez , C M Plano , I Von Lawzewitsch , K G Gillette , Mark W Jackwood , Deborah A Hilt , A W Mccall , Crystal N Polizzi , Enid T Mckinley , Susan M Williams , N R Martins , A P Mockett , A Barrett , M G Matthijs , Annemarie Bouma , F C Velkers , J H Van Eck , J A Stegeman , W J Landman , Koji Nakamura , J A Frazier , H W Smith , Zoe Parsell , B D Survashe , I D Aitken , Jonathan R Powell , H Toro , I Fernandez , Eduardo Reyes , T Redmann , E F Kaleta , R W Winterfield , A M Fadly mag（2010）
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