Provider: NIHR Journals Library Content:text/plain; charset="UTF-8" TY - JOUR LB - 1. AU - Borek, Aleksandra J AU - Smith, Jane R AU - Greaves, Colin J AU - Gillison, Fiona AU - Tarrant, Mark AU - Morgan-Trimmer, Sarah AU - McCabe, Rose AU - Abraham, Charles TI - Developing and applying a framework to understand mechanisms of action in group-based, behaviour change interventions: the MAGI mixed-methods study J2 - Efficacy Mech Eval PY - 2019 VL - 6 SP - 3 UR - https://doi.org/10.3310/eme06030 DO - 10.3310/eme06030 ER -