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      <marc:subfield code="a">Mental health and problematic social media use in Canadian adolescents : </marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Santé mentale et utilisation problématique des médias sociaux chez les adolescents canadiens : conclusions de l'Enquête de 2018 sur les comportements de santé des jeunes d'âge scolaire (Enquête HBSC).</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 10).</marc:subfield>
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      <marc:subfield code="t">Santé mentale et utilisation problématique des médias sociaux chez les adolescents canadiens : </marc:subfield>
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