@misc{indiciae948ce2a96be7,
  title = {An effective legal enforcement program.},
  author = {F P Grad},
  year = {1969},
  doi = {10.2105/ajph.59.6.947},
  url = {https://pubmed.ncbi.nlm.nih.gov/5815088/},
  note = {Source identifier: 5815088}
}