@misc{indiciaef34169bbf34e,
  title = {'An experiment in nature'.},
  author = {J M Grant},
  year = {1978},
  doi = {10.1001/archderm.1978.01640230085027},
  url = {https://pubmed.ncbi.nlm.nih.gov/718228/},
  note = {Source identifier: 718228}
}