PMC:7105881 / 12474-12504 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T226","span":{"begin":17,"end":25},"obj":"GO:0031975"},{"id":"T98118","span":{"begin":17,"end":25},"obj":"GO:0031975"}],"text":"uding spike (S), envelope (E),"}