@misc{indiciae072c8bb3aff4,
  title = {Focus groups.},
  author = {R A Powell and H M Single},
  year = {1996},
  doi = {10.1093/intqhc/8.5.499},
  url = {https://pubmed.ncbi.nlm.nih.gov/9117204/},
  note = {Source identifier: 9117204}
}