TY - JOUR T1 - A randomized trial found online questionnaires supplemented by postal reminders generated a cost-effective and generalizable sample but don鈥檛 forget the reminders JO - Journal of Clinical Epidemiology UR - http://eprints.whiterose.ac.uk/120861/ PY - 2017/12/01 AU - Loban A AU - Mandefield L AU - Hind D AU - Bradburn M ED - DO - DOI: 10.1016/j.jclinepi.2017.08.003 PB - Elsevier BV VL - 92 SP - 116 EP - 125 Y2 - 2025/04/12 ER -