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Bertholet, Nicolas and Schmutz, Elodie and Studer, Joseph and Adam, Angéline and Gmel, Gerhard and Cunningham, John A and McNeely, Jennifer and Daeppen, Jean-Bernard (2023) Effect of a smartphone intervention as a secondary prevention for use among university students with unhealthy alcohol use: randomised controlled trial. BMJ, 382, e073713.