?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Thamsborg%2C+S.M.&rft.aulast=Thamsborg&rft.aufirst=S.M.&rft.date=2003&rft.title=Influence+of+different+forages+on+gastrointestinal+namatode+infections+in+grazing+lambs&rft.genre=proceeding