PMC:7105881 / 25863-25877 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T502","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T5444","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}