Observational versus randomised trial evidence

Lancet. 2004;364(9436):755. doi: 10.1016/S0140-6736(04)16926-2.
No abstract available

Publication types

  • Letter
  • Comment

MeSH terms

  • Antioxidants / administration & dosage*
  • Ascorbic Acid / administration & dosage*
  • Cardiovascular Diseases / prevention & control*
  • Confounding Factors, Epidemiologic*
  • Humans
  • Observation*
  • Randomized Controlled Trials as Topic*
  • Research Design

Substances

  • Antioxidants
  • Ascorbic Acid