Zheng Cui-Fang, Huang Ying, Tang Zi-Fei, Chen Lian, Leung Ying-kit
Gastroenterology Division, Children's Hospital of Fudan University, Shanghai, China.
Pathology Division, Children's Hospital of Fudan University, Shanghai, China.
Gastrointest Endosc. 2014 Feb;79(2):354-8. doi: 10.1016/j.gie.2013.07.031. Epub 2013 Sep 6.