@misc{indiciae08692309dc70,
  title = {Comments on two-class clinic system study.},
  author = {L Tannen},
  year = {1979},
  doi = {10.2105/ajph.69.2.177-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/760577/},
  note = {Source identifier: 760577}
}