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    "sources/adams2017-nigerian-processed-spices-metals",
    "sources/angelon-gaetz2018-lead-spices-north-carolina",
    "sources/barthwal2008-medicinal-plants-heavy-metals-lucknow",
    "sources/chime2025-nigerian-spices-as-cd-pb",
    "sources/cicero2022-minerals-spices-aromatic-herbs",
    "sources/dghaim2015-heavy-metals-uae-herbs",
    "sources/divrikli2006-spices-herbal-plants-metals",
    "sources/fischer2022-mercury-spice-plants-poland",
    "sources/gill2021-consumer-reports-spices",
    "sources/huff2025-spices-lancaster-pa",
    "sources/khan2007-withania-somnifera-metals-pakistan",
    "sources/khan2013-medicinal-plants-metals-pakistan",
    "sources/kocevar-glavac2017-medicinal-plants-soil-metals",
    "sources/kowalska2021-metals-herbs-spices-tea-coffee-poland",
    "sources/kulhari2013-medicinal-plants-metals-india",
    "sources/lhaac2025-csp41-herbs-spices-wa",
    "sources/liu2018-tcm-arsenic-bioaccessibility",
    "sources/miroslawski2017-polish-medicinal-plants-infusions",
    "sources/nys-doh2019-metals-spices-guidance",
    "sources/saleem2025-locally-grown-vegetables-north-dakota",
    "sources/shah2013-medicinal-plants-metals-pakistan",
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