PMC:7146662 / 3382-3530 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T30","span":{"begin":64,"end":69},"obj":"http://purl.obolibrary.org/obo/UBERON_0007688"}],"text":"n, while still allowing for good visualization of the operative field. The drape is then secured with snaps to the self-retaining retractor to maint"}

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T25","span":{"begin":64,"end":69},"obj":"UBERON:0007688"},{"id":"T71070","span":{"begin":64,"end":69},"obj":"UBERON:0007688"}],"text":"n, while still allowing for good visualization of the operative field. The drape is then secured with snaps to the self-retaining retractor to maint"}