Gastroenterology
Volume 137, Issue 3 , Page OFC, September 2009

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No abstract is available. To read the body of this article, please view the PDF online.

 

PII: S0016-5085(09)01290-6

doi:10.1053/S0016-5085(09)01290-6

Gastroenterology
Volume 137, Issue 3 , Page OFC, September 2009