TY - JOUR T1 - Determining the sample size required to establish whether a medical device is non-inferior to an external benchmark JO - BMJ Open UR - http://dx.doi.org/10.1136/bmjopen-2016-015397 PY - 2017/08/28 AU - Sayers A AU - Crowther MJ AU - Judge A AU - Whitehouse MR AU - Blom AW ED - DO - DOI: 10.1136/bmjopen-2016-015397 PB - BMJ VL - 7 IS - 8 SP - e015397 EP - e015397 Y2 - 2024/12/22 ER -