PMC:7105881 / 53870-53884 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T878","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T50826","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}