The American Journal of Gastroenterology
The American Journal of Gastroenterology > 2003 > 98 > 2 > 491-494
The American Journal of Gastroenterology > 2003 > 98 > 2 > 291-295
The American Journal of Gastroenterology > 2003 > 98 > 2 > 264-271
The American Journal of Gastroenterology > 2003 > 98 > 2 > 491-494
The American Journal of Gastroenterology > 2003 > 98 > 2 > 291-295
The American Journal of Gastroenterology > 2003 > 98 > 2 > 264-271