Identification and characterization of a type III secretion system in Chlamydophila psittaci Delphine Sylvie Anne Beeckman, TomGeens, Jean-Pierre Timmermans, Patrick Van Oostveldt and Daisy C.G. Vanrompay Vet. Res., 39 3 (2008) 27 Published online: 15 February 2008 DOI: 10.1051/vetres:2008002