Is meta-analysis a valid approach to the evaluation of small effects in observational studies?

J Clin Epidemiol. 1997 Mar;50(3):223-9. doi: 10.1016/s0895-4356(96)00360-5.
No abstract available

Publication types

  • Meta-Analysis

MeSH terms

  • Breast Neoplasms / epidemiology
  • Case-Control Studies
  • Causality*
  • Female
  • Humans
  • Ovarian Neoplasms / epidemiology
  • Randomized Controlled Trials as Topic