{
  "abstract": "This research letter1 is retracted by the journal.",
  "authors": [
    {
      "affiliations": [],
      "name": "British Medical Journal Publishing Group"
    }
  ],
  "title": "Retraction: Insomnia in breast cancer: prevalence and associated factors",
  "uid": "c6600e31-e157-557c-ab23-4541e0f43e9a"
}