Additional file 1: Figure A1. of The implementation of academic detailing and its effectiveness on appropriate prescribing of pain relief medication: a real-world cluster randomized trial in Belgian general practices BruyndonckxRobin VerhoevenVeronique AnthierensSibyl CornelisKoen AckaertKatelijne GielenBirgit CoenenSamuel 2018 Information package on appropriate use of pain relief medication in patients with osteoarthritis used by the academic detailer (PDF 1229 kb)