Effect of a price discount and consumer education strategy on food and beverage purchases in remote Indigenous Australia: a stepped-wedge randomised controlled trial oleh Dr Julie Brimblecombe, PhD, Megan Ferguson, MPH, Mark D Chatfield, MSc, Selma C Liberato, PhD, Anthony Gunther, Prof Kylie Ball, PhD, Prof Marj Moodie, DrPH, Edward Miles, Anne Magnus, PGDip, Prof Cliona Ni Mhurchu, PhD, Prof Amanda Jane Leach, PhD, Prof Ross Bailie, MD