PMC:7111504 / 13396-13410 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T161","span":{"begin":0,"end":14},"obj":"BV_15"},{"id":"T66664","span":{"begin":0,"end":14},"obj":"BV_15"}],"text":"immunogenicity"}