PMC:7454258 / 157-244
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T57592","span":{"begin":6,"end":11},"obj":"http://purl.obolibrary.org/obo/UBERON_0001456"},{"id":"T18757","span":{"begin":54,"end":55},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"he US faces remarkable food and nutrition challenges. A new federal effort to strengthe"}