@misc{indiciae0251fbfe70d5,
  title = {Cluster randomized controlled trials in primary care: an introduction.},
  author = {Andrew W Murphy and Adrian Esterman and Louis S Pilotto},
  year = {2006},
  doi = {10.1080/13814780600780627},
  url = {https://pubmed.ncbi.nlm.nih.gov/16945880/},
  note = {Source identifier: 16945880}
}