PMC:7161517 / 136-167 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T5","span":{"begin":6,"end":29},"obj":"SP_7"},{"id":"T19070","span":{"begin":6,"end":29},"obj":"SP_7"}],"text":"ratory-syndrome coronavirus-2 ("}