TY - JOUR T1 - Guidance on how to develop complex interventions to improve health and healthcare JO - BMJ Open UR - http://eprints.whiterose.ac.uk/150363/ PY - 2019/08/01 AU - O'Cathain A AU - Croot L AU - Duncan E AU - Rousseau N AU - Sworn K AU - Turner KM AU - Yardley L AU - Hoddinott P ED - DO - DOI: 10.1136/bmjopen-2019-029954 PB - BMJ VL - 9 IS - 8 Y2 - 2025/06/25 ER -