TY - JOUR T1 - Practical guide to sample size calculations: superiority trials JO - Pharmaceutical Statistics UR - http://eprints.whiterose.ac.uk/97114/ PY - 2015/11/20 AU - Flight L AU - Julious SA ED - DO - DOI: 10.1002/pst.1718 PB - Wiley VL - 15 IS - 1 SP - 75 EP - 79 Y2 - 2025/07/03 ER -