Herbert DavisDonald Hugh GarrowGlaslyn J GriffithsDouglas Abeysinghe GunawardenaGerald Rookledge HoltbyJohn Archibald OrrCyril RabbsAbdul RashidAnne Patricia RobertsNorman Edward Winstone

BMJ 2001; 322 doi: (Published 23 June 2001) Cite this as: BMJ 2001;322:1548

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