Should systematic reviewers search for randomized, controlled trials published as letters?

Ann Intern Med. 2008 May 6;148(9):714-5. doi: 10.7326/0003-4819-148-9-200805060-00023.
No abstract available

Publication types

  • Letter

MeSH terms

  • Correspondence as Topic*
  • MEDLINE
  • Publishing*
  • Randomized Controlled Trials as Topic*