PMC:7537094 / 2606-2679
Annnotations
LitCovid-PD-GO-BP
{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T51006","span":{"begin":13,"end":18},"obj":"http://purl.obolibrary.org/obo/GO_0007568"}],"text":"ibuted to an aging population, the diminishing birth rate and poor health"}