PMC:7456455 / 2864-2876 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T66","span":{"begin":1,"end":10},"obj":"UBERON:0000922"},{"id":"T79648","span":{"begin":1,"end":10},"obj":"UBERON:0000922"}],"text":" embryonic o"}