ACR appropriateness criteria^® on upper gastrointestinal bleeding

Matthew P. Schenker, Bill S. Majdalany, Brian S. Funaki, E. Kent Yucel, Richard A. Baum, Charles T. Burke, W. Dennis Foley, Scott A. Koss, Jonathan M. Lorenz, M. Ashraf Mansour, Steven F. Millward, Albert A Nemcek Jr, Charles E. Ray