@misc{indiciae4a169039c7d3,
  title = {Predicting changes in perceived health status.},
  author = {M S Goldstein and J M Siegel and R Boyer},
  year = {1984},
  doi = {10.2105/ajph.74.6.611},
  url = {https://pubmed.ncbi.nlm.nih.gov/6721021/},
  note = {Source identifier: 6721021}
}