@misc{indiciae9540379e8a41,
  title = {Regional analysis of implementation.},
  author = {G Tognoni and B Saraceno},
  year = {1989},
  doi = {10.1177/002076408903500104},
  url = {https://pubmed.ncbi.nlm.nih.gov/2744977/},
  note = {Source identifier: 2744977}
}