Users' guides to the medical literature. II. How to use an article about therapy or prevention. A. Are the results of the study valid? Evidence-Based Medicine Working Group

JAMA. 1993 Dec 1;270(21):2598-601. doi: 10.1001/jama.270.21.2598.
No abstract available

MeSH terms

  • Clinical Trials as Topic*
  • Grateful Med
  • MEDLARS
  • Periodicals as Topic*
  • Reproducibility of Results*
  • Research Design