Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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Елизавета Городищева (Редактор отдела «Экономика»)

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第二十七条 增值税法第二十四条第一款第二项所称医疗机构,是指依据有关规定设立的具有医疗机构执业资格的机构,包括军队、武警部队各级各类医疗机构,不包括营利性美容医疗机构。