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Clinical Gastroenterology and Hepatology > 2011 > 9 > 10 > 834-841
Advances in Therapy > 2008 > 25 > 9 > 831-841
Journal of Infection > 2003 > 47 > 3 > 210-216
Clinical Gastroenterology and Hepatology > 2011 > 9 > 10 > 834-841
Advances in Therapy > 2008 > 25 > 9 > 831-841
Journal of Infection > 2003 > 47 > 3 > 210-216