Ahn Thomy Jun, Ribeiro Maria Sylvia Ierardi, Wallace Michael B
Irmandade da Santa Casa de Misericordia de Sao Paolo, Sao Paolo, Brazil.
Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA.
Gastrointest Endosc. 2015 Jul;82(1):173. doi: 10.1016/j.gie.2015.02.003. Epub 2015 Apr 20.