Can Observational Data Replace Randomized Trials?

J Clin Oncol. 2016 Sep 20;34(27):3355-7. doi: 10.1200/JCO.2016.68.8879. Epub 2016 Jul 25.
No abstract available

Publication types

  • Letter
  • Observational Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Breast Neoplasms / diagnosis
  • Breast Neoplasms / mortality
  • Breast Neoplasms / radiotherapy*
  • Cause of Death
  • Comorbidity
  • Evidence-Based Medicine / methods*
  • Female
  • Humans
  • Randomized Controlled Trials as Topic*
  • Registries
  • Risk Factors
  • Time Factors
  • Treatment Outcome
  • United States / epidemiology