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Irregular Bedtime and Nocturnal Cellular Phone Usage as Risk Factors for Being Involved in Bullying: A Cross-Sectional Survey of Japanese Adolescents
Tochigi M,
Nishida A,
Shimodera S,
Oshima N,
Inoue K,
et al.
(2012)
Irregular Bedtime and Nocturnal Cellular Phone Usage as Risk Factors for Being Involved in Bullying: A Cross-Sectional Survey of Japanese Adolescents.
PLOS ONE 7(9): e45736.
https://doi.org/10.1371/journal.pone.0045736