A clinically silent respiratory infection with Chlamydophila spp. in calves is associated with airway obstruction and pulmonary inflammation Julia Jaeger, Elisabeth Liebler-Tenorio, Nathalie Kirschvink, Konrad Sachse and Petra ReinholdVet. Res., 38 5 (2007) 711-728DOI: https://doi.org/10.1051/vetres:2007027