HIGHLIGHTS
- who: Competing interests No competing et al. from the York Trials Unit, Department of Health Sciences, University of York, York, DD, UK have published the Article: Enclosing a pen in a postal questionnaire follow-up to increase response rate: a study within a trial [version 1; peer review: 2 approved], in the Journal: (JOURNAL) of 31/Oct/2022
- what: This means that specific consent for the SWAT was not obtained; this was approved by the Research Ethics Committee as it was considered low risk. The strength of this study was that it was a randomised . . .
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