Tsai M C, Chen T H, Chang M H, Chen T Y, Lin C C
Department of Internal Medicine, Chung Shan Medical University Hospital and Institute of Medicine of Chung Shan Medical University, Taichung, Taiwan.
Endoscopy. 2010;42 Suppl 2:E206-7. doi: 10.1055/s-0030-1255709. Epub 2010 Sep 15.