PMC:7111504 / 15622-15636 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T175","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T26868","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}