@misc{indiciaecdf870563b61,
  title = {Practice formularies.},
  author = {B Essex},
  year = {1989},
  doi = {10.1136/bmj.298.6680.1052},
  url = {https://pubmed.ncbi.nlm.nih.gov/2497887/},
  note = {Source identifier: 2497887}
}