PMC:7105881 / 53567-53581 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T872","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T8643","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}