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History
- Received May 18, 2003
- Revision received July 28, 2003
- Accepted November 18, 2003
- Published online May 1, 2004.
Copyright & Usage
© British Journal of General Practice, 2004.
Author Information
- Nat M J Wright, DRCOG, MRCGP, GP Consultant in Substance Misuse
- Alison J Roberts, DRCOG, MRCGP, Principal General Practitioner
- Victoria L Allgar, BSc, C. Stat, Senior Research Fellow
- Charlotte N E Tompkins, BA Hons, PGD, Research Assistant
- Darren C Greenwood, BSc, MSc, Lecturer in Medical Statistics
- Gillian Laurence, DipClinPharm, MRPharmS, Pharmaceutical Adviser
- Centre for Research in Primary Care, Leeds
- Bellbrooke Surgery, Leeds
- Centre for Research in Primary Care, Leeds
- NFA Health Centre for Homeless People, Leeds
- Biostatistics Unit, University of Leeds
- East Leeds PCT
- *Address for correspondence Dr Nat M J Wright, Centre for Research in Primary Care, Nuffield Institute, 71-75 Clarendon Road, Leeds, LS2 9PL. E-mail: n.wright{at}leeds.ac.uk.