Waller Alfonso H, Goralski Jennifer L, Brelvi Zamir S
Department of Medicine, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey, USA.
Clin Gastroenterol Hepatol. 2008 May;6(5):A28. doi: 10.1016/j.cgh.2007.12.050. Epub 2008 Mar 5.