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Direct Measurements of Smartphone Screen-Time: Relationships with Demographics and Sleep
Christensen MA,
Bettencourt L,
Kaye L,
Moturu ST,
Nguyen KT,
et al.
(2016)
Direct Measurements of Smartphone Screen-Time: Relationships with Demographics and Sleep.
PLOS ONE 11(11): e0165331.
https://doi.org/10.1371/journal.pone.0165331