TY - JOUR T1 - Producing a preference-based quality of life measure for people with Duchenne muscular dystrophy: A mixed-methods study protocol JO - BMJ Open UR - http://eprints.whiterose.ac.uk/141730/ PY - 2019/03/09 AU - Powell PA AU - Carlton J AU - Rowen D AU - Brazier J ED - DO - DOI: 10.1136/bmjopen-2018-023685 PB - BMJ Journals VL - 9 Y2 - 2025/05/30 ER -