@misc{indiciaecc4d74b8ef9a,
  title = {Multi-state models and diabetic retinopathy.},
  author = {G Marshall and R H Jones},
  year = {1995},
  doi = {10.1002/sim.4780141804},
  url = {https://pubmed.ncbi.nlm.nih.gov/8677398/},
  note = {Source identifier: 8677398}
}