PMC:7105881 / 57445-57459 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T956","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T9588","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}