@misc{indiciae188a4e6d45f9,
  title = {Propensity scores and the surgeon.},
  author = {M Adamina and U Guller and W P Weber and D Oertli},
  year = {2006},
  doi = {10.1002/bjs.5265},
  url = {https://pubmed.ncbi.nlm.nih.gov/16400708/},
  note = {Source identifier: 16400708}
}