American Gastroenterological Association medical position statement: evaluation and management of occult and obscure gastrointestinal bleeding.

This document presents the official recommendations of the American Gastroenterological Association (AGA) on the evaluation and management of occult and obscure gastrointestinal bleeding. It was approved by the Clinical Practice and Practice Economics Committee on May 16, 1999, and by the AGA governing board on July 18, 1999.