TY - JOUR T1 - Design considerations and analysis planning of a phase 2a proof of concept study in rheumatoid arthritis in the presence of possible non-monotonicity JO - BMC Medical Research Methodology UR - http://eprints.whiterose.ac.uk/122244/ PY - 2017/10/02 AU - Liu F AU - Walters SJ AU - Julious SA ED - DO - DOI: 10.1186/s12874-017-0416-3 PB - Springer Science and Business Media LLC VL - 17 IS - 1 Y2 - 2025/05/31 ER -