PubMed:32171193 / 129-131 JSON TXT

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{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T18","span":{"begin":1,"end":2},"obj":"-LRB-"}],"text":" ("}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok24","span":{"begin":1,"end":2},"obj":"("}],"text":" ("}