PubMed:31995857 / 1420-1424 JSONTXT

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LitCovid-PAS-Enju

Id Subject Object Predicate Lexical cue
EnjuParser_T264 0-4 DT denotes this

LitCovid-TimeML

Id Subject Object Predicate Lexical cue
tok301 0-4 DT denotes this
lookup50 0-4 time_modifier denotes this