by Liu, Si-Jin, Cai, Zi-Wei, Liu, Ya-Jun, Dong, Mei-Yu, Sun, Li-Qiu, Hu, Guo-Fa, Wei, Ying-Yun, Lao, Wei-De
Published in World journal of gastroenterology : WJG (01.05.2004)

by Liu, Si-jin, Hu, Guo-fa, Liu, Ya-jun, Liu, Si-Guo, Gao, Hong, Zhang, Chuan-sheng, Wei, Ying-yun, Xue, Yan, Lao, Wei-de
Published in Chinese medical journal (01.02.2004)

by Cheng, Yong, Wang, Yu-Ge, Luo, Jin-Ping, Shen, Yu, Yang, Yue-Fei, Ju, Hui-Ming, Zou, Xian-Gang, Xu, Shao-Fu, Lao, Wei-De, Du, Miao
Published in Shengwu gongcheng xuebao (01.01.2002)

by Lao, Wei-De, Zhang, Chuan-Sheng, Hu, Guo-Fa, Zhang, Xu-Chen, Wei, Ying-Yun
Published in Yíchuán xuébào (01.05.2003)