PMC:7105881 / 38015-38029 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T666","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T22843","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}