PMC:7111504 / 12321-12335 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T148","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T4457","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}