PMC:7543426 / 6565-6610
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T92","span":{"begin":27,"end":28},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"acetate and examined under a transmission ele"}