?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Jensen%2C+Annette+Nygaard&rft.aulast=Jensen&rft.aufirst=Annette+Nygaard&rft.date=2006&rft.title=Salmonella+infection+risk+associated+with+outdoor+organic+pig+production&rft.genre=proceeding