PMC:7111504 / 11358-11372 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T135","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T17570","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}