PMC:7212965 / 19944-19987
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T142","span":{"begin":32,"end":34},"obj":"http://purl.obolibrary.org/obo/CLO_0050507"}],"text":"ial presenting symptoms.20, 21, 22, 23 , 26"}
2_test
{"project":"2_test","denotations":[{"id":"32407808-32171076-43469266","span":{"begin":24,"end":26},"obj":"32171076"}],"text":"ial presenting symptoms.20, 21, 22, 23 , 26"}