TY - JOUR T1 - Challenges in the design and analysis of surgical trials JO - Trials UR - https://doi.org/10.1186/1745-6215-14-s1-p31 PY - 2013/11/29 AU - Rombach I AU - Beard D AU - Carr A AU - Rees J AU - Cooper C AU - Cummings N ED - DO - DOI: 10.1186/1745-6215-14-s1-p31 PB - Springer Science and Business Media LLC VL - 14 IS - S1 Y2 - 2025/06/09 ER -