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Journal of Gastroenterology and Hepatology > 26 > s1 > 72 - 82
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2001 > 95 > Supplement 1 > S27-S58
Journal of Gastroenterology and Hepatology > 26 > s1 > 72 - 82
Transactions of the Royal Society of Tropical Medicine and Hygiene > 2001 > 95 > Supplement 1 > S27-S58