@article{article, title  = {{A randomised trial found online questionnaires supplemented by postal reminders generated a cost-effective and generalisable sample, but don't forget the reminders.}},

 publisher = {{Elsevier}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/120861 }},

 year = {{2017}},

 month = {{12}},

 author = {{Loban A and Mandefield L and Hind D and Bradburn M}},

 doi = {{10.1016/j.jclinepi.2017.08.003}},

 volume = {{92}},

 journal = {{Journal of Clinical Epidemiology}},

 pages = {{116-125}},

 note = {{Accessed on 2025/11/04}}}