@article{sengupta2017-28065767,
  author  = {Sengupta, N. and Tapper, E. B.},
  title   = {{Derivation and Internal Validation of a Clinical Prediction Tool for 30-Day Mortality in Lower Gastrointestinal Bleeding}},
  journal = {The American journal of medicine},
  year    = {2017},
  doi     = {10.1016/j.amjmed.2016.12.009},
  pmid    = {28065767},
  url     = {https://doi.org/10.1016/j.amjmed.2016.12.009}
}