TY - JOUR T1 - Sample size requirements for pilot randomised controlled trials with binary outcomes: a simulation study JO - Trials PY - 2013/01/01 AU - Teare D AU - Dimairo M AU - Hayman A AU - Shephard N AU - Whitehead A AU - Walters S ED - DO - DOI: 10.1186/1745-6215-14-S1-O21 VL - 14 IS - Suppl 1 SP - O21 Y2 - 2024/12/22 ER -