PubMed:32031570 / 2858-2860 JSON TXT

Annnotations TAB JSON ListView MergeView

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T575","span":{"begin":0,"end":2},"obj":"IN"}],"text":"vs"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok677","span":{"begin":0,"end":2},"obj":"NNS"}],"text":"vs"}