PMC:7105881 / 56505-56519 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T938","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T1175","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}