PubMed:32176772 / 124-127 JSON TXT

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{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T21","span":{"begin":0,"end":1},"obj":"-COMMA-"}],"text":", 2"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok23","span":{"begin":0,"end":1},"obj":","}],"text":", 2"}