@misc{indiciae4bf2378044d8,
  title = {Once is not enough.},
  author = {D B Ryckman and G F Elrod},
  year = {1983},
  doi = {10.1177/002221948301600204},
  url = {https://pubmed.ncbi.nlm.nih.gov/6842076/},
  note = {Source identifier: 6842076}
}