@misc{indiciae903ecce8705f,
  title = {Doing good before there's harm.},
  author = {W L Roper and S B Thacker},
  year = {1993},
  doi = {10.1111/j.1749-6632.1993.tb26332.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8192314/},
  note = {Source identifier: 8192314}
}