?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Brandt%2C+Dr+Kirsten&rft.aulast=Brandt&rft.aufirst=Kirsten&rft.date=2006&rft.title=Advantages+and+pitfalls+of+different+types+of+studies+for+investigations+of+the+impact+of+food+on+health&rft.genre=proceeding