References
- Kim B, Han SR, Park EJ, Yoo H, Suh S, Shin Y. The relationship between mother's smartphone addiction and children's smartphone usage. Psychiatry Investig 2021;18:126-131. https://doi.org/10.30773/pi.2020.0338
- Kim SY, Han S, Park EJ, Yoo HJ, Park D, Suh S, et al. The relationship between smartphone overuse and sleep in younger children: a prospective cohort study. J Clin Sleep Med 2020;16:1133-1139. https://doi.org/10.5664/jcsm.8446
- Chang HY, Park EJ, Yoo HJ, Lee JW, Shin Y. Electronic media exposure and use among toddlers. Psychiatry Investig 2018;15:568-573. https://doi.org/10.30773/pi.2017.11.30.2
- Park S, Chang HY, Park EJ, Yoo H, Jo W, Kim SJ, et al. Maternal depression and children's screen overuse. J Korean Med Sci 2018;33:e219. https://doi.org/10.3346/jkms.2018.33.e219