@misc{indiciaef087769471e1,
  title = {RESEARCH IN PREPAID GROUP PRACTICE PROGRAMS.},
  author = {S SHAPIRO},
  year = {1964},
  doi = {10.2105/ajph.54.12.2040},
  url = {https://pubmed.ncbi.nlm.nih.gov/14240512/},
  note = {Source identifier: 14240512}
}