An impressive study but one that raises methodological concerns

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

Original languageEnglish (Ireland)
JournalBmj-British Medical Journal
Volume319
Issue number7217
Publication statusPublished - 1 Jan 1999

Authors (Note for portal: view the doc link for the full list of authors)

  • Authors
  • Davies S, Atherton M, Williams T, Purkis J, Combe G, Brindley A, McCarthy G, Denny R

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