?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=McConnell&rft.au=McConnell%2C+EL&rft.aufirst=EL&rft.title=Quantification+of+lymphoid+tissue+in+the+rat+and+mouse+gastrointestinal+tract.&rft.date=11+November+2007&rft.genre=proceeding