@misc{indiciae68e340cc4b8f,
  title = {Systematic data collection: II.},
  author = {R P Lederman and S Worsham},
  doi = {10.1097/00005721-199405000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/8028458/},
  note = {Source identifier: 8028458}
}