Quality of randomised controlled trials: Caution is important

Eitemau Tebyg

• Randomised controlled trials are important
  gan: Venning, Geoff
  Cyhoeddwyd: (1999)
• Quality of randomised controlled trials: Quality of trial methods is not good in all disciplines
  gan: Handoll, Helen H G
  Cyhoeddwyd: (2004)
• Quality of randomised controlled trials: Quality of research may be worse than it appears
  gan: Vlassov, Vasiliy V
  Cyhoeddwyd: (2004)
• Understanding controlled trials. Why are randomised controlled trials important?
  gan: Sibbald, B., et al.
  Cyhoeddwyd: (1998)
• Randomised controlled trials in general practice. Internal validity of trials is more important than generalisability.
  gan: Mant, J., et al.
  Cyhoeddwyd: (1996)