@misc{indiciaeb87bc22bf5aa,
  title = {Sounding boards. To be complete.},
  author = {J E Hardison},
  year = {1979},
  doi = {10.1056/nejm197901253000410},
  url = {https://pubmed.ncbi.nlm.nih.gov/759846/},
  note = {Source identifier: 759846}
}