南阳市南召县农村留守中学生智能手机成瘾和焦虑状况调查

Practical Preventive Medicine ›› 2021, Vol. 28 ›› Issue (7) : 870-873.

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ISSN 1006-3110
CN 43-1223/R
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Practical Preventive Medicine ›› 2021, Vol. 28 ›› Issue (7) : 870-873. DOI: 10.3969/j.issn.1006-3110.2021.07.026
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