TY - JOUR T1 - Sample size requirements for pilot randomised controlled trials with binary outcomes: a simulation study JO - Trials UR - https://doi.org/10.1186/1745-6215-14-s1-o21 PY - 2013/11/29 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 PB - Springer Science and Business Media LLC VL - 14 IS - S1 Y2 - 2025/12/06 ER -