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    "sources/gu2019-maize-peanut-heavy-metals-guangxi",
    "sources/hbbf2025-rice-arsenic-cadmium-145-samples",
    "sources/heshmati2020-iran-vegetables-cereals-pb-cd",
    "sources/hussain2019-plant-food-heavy-metal-review",
    "sources/islam2014-bangladesh-cereals-pulses-metals",
    "sources/islam2015-bangladesh-foods-heavy-metals",
    "sources/iyabo2015-ekiti-staple-foods-metals",
    "sources/jakkielska2023-noodles-toxic-metals",
    "sources/jiang2020-henan-battery-factory-crops-metals",
    "sources/kongta2023-noodle-products-aluminum-thailand",
    "sources/mania2020-nickel-cereal-grains-poland",
    "sources/mawari2022-heavy-metals-fruits-vegetables-india",
    "sources/mohammed2021-salah-al-din-noodles-metals",
    "sources/moradi2015-iran-isfahan-soil-crops-metals",
    "sources/nejabat2017-iran-golestan-wheat-metals",
    "sources/otitoju2018-noodle-products-nigeria-metals",
    "sources/pirsaheb2015-iran-kermanshah-cereals-metals",
    "sources/safwan2023-instant-soup-chicken-stock-jordan",
    "sources/salaheldin2025-multimatrix-foods-egypt",
    "sources/salehipour2015-iran-isfahan-cereals-vegetables-metals",
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    "sources/wang2019-dietary-lead-guangzhou",
    "sources/wang2020-jilin-total-diet-metals",
    "sources/wu2024-heavy-metals-cereals-vegetables-legumes-jiaozuo",
    "sources/zhou2000-china-vegetable-heavy-metals-review"
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    "prose": "CC BY 4.0",
    "structured_data": "EU database rights reserved — see https://heavymetalindex.com/licensing",
    "attribution": "Heavy Metal Index (heavymetalindex.com), Paleo Foundation. Cite page_url or wiki_doi.",
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