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Direct Measurements of Smartphone Screen-Time: Relationships with Demographics and Sleep
- Pletcher, Mark;
- Marcus, Gregory;
- Christensen, MA;
- Bettencourt, L;
- Kaye, L;
- Moturu, ST;
- Nguyen, KT;
- Olgin, JE;
- Pletcher, MJ;
- Marcus, GM
Published Web Location
http://europepmc.org/articles/PMC5102460?pdf=renderNo data is associated with this publication.
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