@article{article, title = {{A randomized trial found online questionnaires supplemented by postal reminders generated a cost-effective and generalizable sample but don鈥檛 forget the reminders}}, publisher = {{Elsevier BV}}, url = {{http://eprints.whiterose.ac.uk/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 2025/07/04}}}