Therapeutic Content of Mobile Phone Applications for Substance Use Disorders: An Umbrella Review oleh Tyler S. Oesterle, MD, MPH, Daniel K. Hall-Flavin, MD, MS, Nicholas L. Bormann, MD, Larissa L. Loukianova, MD, PhD, David C. Fipps, DO, Scott A. Breitinger, MD, Wesley P. Gilliam, PhD, Tiffany Wu, MD, Sabrina Correa da Costa, MD, Stephan Arndt, PhD, Victor M. Karpyak, MD, PhD