PMC:7105881 / 40956-40970 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T731","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T25002","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}