@misc{indiciaebda5d194fee5,
  title = {Community-based intervention trials.},
  author = {B R Kirkwood and R H Morrow},
  year = {1989},
  doi = {10.1017/s0021932000025281},
  url = {https://pubmed.ncbi.nlm.nih.gov/2666421/},
  note = {Source identifier: 2666421}
}