PubMed:32172226 / 1271-1272 JSON TXT

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{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T202","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"("}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok227","span":{"begin":0,"end":1},"obj":"("}],"text":"("}