PMC:7105881 / 37875-37889 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T665","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T58719","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}