Machicado Jorge D, Younes Mamoun, Wolf David S
Department of Internal Medicine, University of Texas Medical School at Houston, Houston, Texas.
Department of Pathology and Laboratory Medicine, University of Texas Medical School at Houston, Houston, Texas.
Gastroenterology. 2014 Jul;147(1):37-8. doi: 10.1053/j.gastro.2014.02.039. Epub 2014 May 27.