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Galileo decía en cuestiones de ciencia, la autoridad de mil no vale el razonamiento humilde de un solo individuo.
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TESTCOVID 19 COMPRADOS EN 2017
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https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2017/tradeflow/Imports/partner/WLD/nomen/h5/product/382200
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TEST COVID 19 COMPRADOS EN 2018
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https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/902780
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TEST COVID 19 COMPRADOS EN 2018 (PCR)
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https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/382200.
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LIBRITO
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http://www.wcoomd.org/-/media/wco/public/global/pdf/topics/nomenclature/covid_19/hs-classification-reference_edition-2_en.pdf?la=en
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COVID 19
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https://es.wikipedia.org/wiki/COVID-19
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