@article {havelaar2009immunity, title = {Immunity to Campylobacter: its role in risk assessment and epidemiology}, journal = {Critical reviews in microbiology}, volume = {35}, number = {1}, year = {2009}, pages = {1{\textendash}22}, publisher = {Taylor \& Francis}, author = {Havelaar, Arie H and van Pelt, Wilfrid and Ang, C Wim and Wagenaar, Jaap A and van Putten, Jos PM and Gross, Uwe and Newell, Diane G} }