{
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  "affiliations": [
    "Department of Environmental & Chemical Engineering, , Seoul 02713, Republic of Korea;",
    "Climate and Air Quality Team, Department of Atmospheric Environment Research, Research Institute of Public Health and Environment, Seoul 13818, Republic of Korea; (J.J.); (H.C.); (J.Y.); (Y.-s.C.)"
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      "name": "Hyunsuk Choi"
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      "name": "Jinyoung Yang"
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      "name": "Yong-suk Choi"
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      "name": "Cheol-Min Lee"
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  "pmcid": "PMC13709736",
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  "published": "2026-10-01",
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      "field": "medicine",
      "origin": "journal-openalex:2307|Environmental Toxicology and Ecotoxicology",
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  "title": "Restructuring of PM2.5 Composition and Source Contributions Across COVID-19 Social Distancing Periods: A Case Study at an Urban Monitoring Site in Seoul, South Korea",
  "title_text": "Restructuring of PM2.5 Composition and Source Contributions Across COVID-19 Social Distancing Periods: A Case Study at an Urban Monitoring Site in Seoul, South Korea",
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  "url": "https://research.draconitic.com/paper/195k56bnhpkeh",
  "venue": "Toxics",
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