@misc{indiciaecce9c267691f,
  title = {Changes in morbidity, disability, and utilization differentials between the poor and the nonpoor: data from the health interview survey: 1964 and 1973.},
  author = {R W Wilson and E L White},
  year = {1977},
  doi = {10.1097/00005650-197708000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/886894/},
  note = {Source identifier: 886894}
}