@misc{indiciae141360ad9620,
  title = {Regression and stagnation.},
  author = {R Ledermann},
  year = {1991},
  doi = {10.1111/j.1465-5922.1991.00483.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1769903/},
  note = {Source identifier: 1769903}
}