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Improving postal survey response using behavioural science: a nested randomised control trial.

Emily McBrideHiromi MaseRobert S KerrisonLaura A V MarlowJo Waller
Published in: BMC medical research methodology (2021)
ISRCTN, ISRCTN15113095 . Registered 7 May 2019 - retrospectively registered.
Keyphrases
  • clinical trial
  • open label
  • public health
  • double blind
  • cross sectional
  • study protocol
  • placebo controlled
  • case control