@misc{indiciaed1ef2a2e503e,
  title = {Inva retro.},
  author = {I Legge and J Freeman},
  year = {1981},
  doi = {10.1080/00140138108924911},
  url = {https://pubmed.ncbi.nlm.nih.gov/6461549/},
  note = {Source identifier: 6461549}
}