WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 17, Issue 26,2009, Pages 2667-2672,
WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 17, Issue 26,2009, Pages 2718-2721,
WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 17, Issue 26,2009, Pages 2651-2653,
WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 17, Issue 26,2009, Pages 2714-2717,
WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 17, Issue 26,2009, Pages 2679-2685,