Changes and influencing factors of mobile phone addiction among adolescents before and after the COVID-19 epidemic
XIE Huiyan, XIA Liang, LIAO Yafen, XU Na, XIAO Tingting, HAN Yixuan
South China Journal of Preventive Medicine . 2023, (7): 813 -817 .  DOI: 10.12183/j.scjpm.2023.0813

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