@article{Otero-Romero:169374,
      author        = "Otero-Romero, Daniel and Arribas-del-Amo, Dolores",
      title         = "{The modified 5-item frailty index predicts long-term
                       mortality after breast cancer surgery in elderly women: A
                       five-year follow-up study}",
      year          = "2026",
}