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APA Citation
Linardon, J., Cuijpers, P., Carlbring, P., Messer, M., & Fuller‐Tyszkiewicz, M. (2019). the efficacy of app‐supported smartphone interventions for mental health problems: a meta‐analysis of randomized controlled trials. World psychiatry, 18(3), 325–336. http://access.bl.uk/ark:/81055/vdc_100091288001.0x000012