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临床试验/JPRN-UMIN000051895
JPRN-UMIN000051895已完成Unknown

Relationships between screen media time and sleep, developmental characteristics, and parent-child engagement among Japanese elementary and junior high school students: a cross-sectional study - Relationships between screen media time and sleep, developmental characteristics, and parent-child engagement among Japanese elementary and junior high school students: a cross-sectional study

Shinshu university0 个研究点目标入组 225 人开始时间: 2023年8月11日最近更新:
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试验速览

阶段
Unknown
状态
已完成
入组人数
225
Relationships between screen media time and sleep,... | 临床试验