TY  - BOOK
AU  - Parallag, Federick L., MD.
TI  - Endoscopically evaluated upper gastrointestinal bleeding at FEU-NRMF hospital : : a 3 year review / 
AV  - MED20010001 
PY  - 2001///
CY  - Fairview, Quezon City
PB  - Department of Medicine, FEU-NRMF, 
N1  - Includes bibliographical references; RESDOT
N2  - ABSTRACT: Upper  gastrointestinal bleeding defined as bleeding in the gastrointestinal tract anywhere from the esophagus down to the ligament of Treitz in the duodenum is one of the more common cases seen at the emergency room.  Identifying its cause and specific source however is still a challenging task
ER  -