@misc{indiciaee04fc6ef4e1a,
  title = {Systematic data collection: I.},
  author = {R P Lederman and S Worsham},
  doi = {10.1097/00005721-199403000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/8201871/},
  note = {Source identifier: 8201871}
}