Sequence analysis demonstrates the conservation of fimH and variability of fimA throughout Avian Pathogenic Escherichia coli (APEC)Fréderic Vandemaele, Dominique Vandekerchove, Monita Vereecken, Jef Derijcke, Maryvonne Dho-Moulin and Bruno Maria GoddeerisVet. Res., 34 2 (2003) 153-163DOI: https://doi.org/10.1051/vetres:2002062