@misc{indiciaec57d1d5c5537,
  title = {Clinically based classification system for acute pancreatitis.},
  author = {C Frey and H A Reber},
  year = {1993},
  doi = {10.1097/00006676-199311000-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/8255888/},
  note = {Source identifier: 8255888}
}