@article{emanuel1991-2000111,
  author  = {Emanuel, L. L. and Barry, M. J. and Stoeckle, J. D. and Ettelson, L. M. and Emanuel, E. J.},
  title   = {{Advance directives for medical care--a case for greater use}},
  journal = {The New England journal of medicine},
  year    = {1991},
  doi     = {10.1056/nejm199103283241305},
  pmid    = {2000111},
  url     = {https://doi.org/10.1056/nejm199103283241305}
}