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The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial.

Robert HatchDuncan YoungVicki BarberDavid A HarrisonPeter J Watkinson
Published in: BMC medical research methodology (2017)
ISRCTN69112866 (assigned 02/05/2006).
Keyphrases
  • emergency department
  • cross sectional
  • psychometric properties
  • risk factors