PubMed:32083638 / 571-579
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T83","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"products"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok101","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"products"}