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International Journal of Colorectal Disease|August 24, 2004
Risk factors for mortality in severe upper gastrointestinal bleedingFrank Klebl, Nicole Bregenzer, Lars Schöfer, et al.International Journal of Colorectal Disease|November 20, 2004
Comparison of inpatient and outpatient upper gastrointestinal haemorrhageFrank H Klebl, Nicole Bregenzer, Lars Schöfer, et al.Pageof 1