Wang Xiangdong, Zhao Xia, Shi Changbin, Börjesson Anna, Chen Zhi, Axelsson Jakob, Zhao Hong, Andersson Roland
Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, China.
Scand J Gastroenterol. 2006 May;41(5):604-13. doi: 10.1080/00365520500347105.