From observational studies to randomized trials: asking the right question at the right time

J Clin Periodontol. 2006 Aug;33(8):517-9. doi: 10.1111/j.1600-051X.2006.00970.x.
No abstract available

Publication types

  • Editorial
  • Comment

MeSH terms

  • Attitude to Health
  • Bias
  • Causality
  • Confounding Factors, Epidemiologic
  • Consensus
  • Epidemiologic Studies*
  • Health Knowledge, Attitudes, Practice
  • Health Status
  • Humans
  • Oral Health
  • Randomized Controlled Trials as Topic*
  • Research Design
  • Time Factors
  • Treatment Outcome