Esophageal pH was monitored 5 cm and 20 cm above the LES, and stored at 4-s intervals in a portable recorder (Digitrapper Mk II Gold; Synectics Medical) After the recording, the data were ...

Objective: To identify and evaluate the quality of evidence supporting prophylactic use of treatments for stress ulcers and upper gastrointestinal bleeding. Stress ulcers, erosions of the stomach ...