Brandt Lawrence J, Bjorkman David, Fennerty M Brian, Locke G Richard, Olden Kevin, Peterson Walter, Quigley Eamonn, Schoenfeld Philip, Schuster Marvin, Talley Nicholas
Albert Einstein College of Medicine, Bronx, NY, USA.
Am J Gastroenterol. 2002 Nov;97(11 Suppl):S7-26. doi: 10.1016/s0002-9270(02)05657-5.