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1 Trends in Digital Media Use in Korean Preschool Children
Dong Yun Lee, Hyun Woong Roh, Seong-Ju Kim, Eun-Jin Park, Heejeong Yoo, Sooyeon Suh, Yunmi Shin
J Korean Med Sci.2019;34(41):e263.  Published online 2019 September 26     DOI: http://dx.doi.org/10.3346/jkms.2019.34.e263
      

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