PMC:7358770 / 379-399 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T49850","span":{"begin":0,"end":4},"obj":"PG_18;PG_1"},{"id":"T82654","span":{"begin":5,"end":17},"obj":"PG_18;PG_1;CHEBI:17089;BV_11;CHEBI:17089"}],"text":"S in 2012. So far, t"}