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Using high quality clinical databases to complement the results of randomised controlled trials: the case of

A Padkin1, K Rowan, N Black

  • 1Health Services Research Unit, Department of Public Health and Policy, London School of Hygiene, London, UK. Andrew.Padkin@lshtm.ac.uk

BMJ (Clinical Research Ed.)
|October 23, 2001
PubMed
Abstract

No abstract available in PubMed .

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