@misc{indiciaea4328dbf8660,
  title = {Crack users' cracked lips: an additional HIV risk factor.},
  author = {J Porter and L Bonilla},
  year = {1993},
  doi = {10.2105/ajph.83.10.1490-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/8214248/},
  note = {Source identifier: 8214248}
}