Brandt Lawrence J, Prather Charlene M, Quigley Eamonn M M, Schiller Lawrence R, Schoenfeld Philip, Talley Nicholas J
Division of Gastroenterology, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, NY, USA.
Am J Gastroenterol. 2005;100 Suppl 1:S5-S21. doi: 10.1111/j.1572-0241.2005.50613_2.x.