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Lookup NU author(s): Dr Sophie Weatherhead, Dr Clifford Lawrence
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Author(s): Weatherhead SC, Lawrence CM
Publication type: Letter
Publication status: Published
Journal: British Medical Journal
Year: 2009
Volume: 338
ISSN (print): 0959-535X
ISSN (electronic): 1756-1833
Publisher: BMJ Group
URL: http://dx.doi.org/10.1136/bmj.b516
DOI: 10.1136/bmj.b516