@misc{indiciaea01cb7af0d94,
  title = {Upper gastrointestinal bleeding and surrogate end points.},
  author = {C Rollhauser},
  year = {2002},
  doi = {10.1136/gut.51.1.140},
  url = {https://pubmed.ncbi.nlm.nih.gov/12077108/},
  note = {Source identifier: 12077108}
}