PMC:7417187 / 6522-6530 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T56","span":{"begin":0,"end":8},"obj":"UBERON:0007376"},{"id":"T44958","span":{"begin":0,"end":8},"obj":"UBERON:0007376"}],"text":"epidural"}