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PubMed:32022276 / 924-932 JSON TXT

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LitCovid-PAS-Enju

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T140","span":{"begin":0,"end":8},"obj":"NN"}],"text":"hydrogen"}

LitCovid-PubTatorCentral

{"project":"LitCovid-PubTatorCentral","denotations":[{"id":"T1","span":{"begin":0,"end":8},"obj":"Chemical:MESH:D006859"}],"text":"hydrogen"}

LitCovid-TimeML

{"project":"LitCovid-TimeML","denotations":[{"id":"tok152","span":{"begin":0,"end":8},"obj":"NN"}],"text":"hydrogen"}