@misc{indiciae635534acef07,
  title = {Methodological issues in measuring ambulatory care.},
  author = {A B Drui},
  year = {1973},
  doi = {10.2105/ajph.63.4.358},
  url = {https://pubmed.ncbi.nlm.nih.gov/4144423/},
  note = {Source identifier: 4144423}
}