Contamination in trials of educational interventions
Marcus Keogh-Brown(University of East Anglia), Michael J. Campbell(University of Sheffield), Anna S. Howe(University of East Anglia), Max Bachmann(University of East Anglia), Diana Elbourne(London School of Hygiene & Tropical Medicine), Craig Ramsay(University of Aberdeen), Fengli Song(Capital Medical University), Sandra Miles(Prince Charles Hospital), Jeremy N. V. Miles(York Hospital), David Torgerson(University of York), Catherine Hewitt(University of York), I. Harvey(University of East Anglia), Lee Shepstone(University of East Anglia)
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