PMC:7376974 / 99731-99816
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T919","span":{"begin":13,"end":20},"obj":"http://purl.obolibrary.org/obo/OBI_0100026"},{"id":"T920","span":{"begin":13,"end":20},"obj":"http://purl.obolibrary.org/obo/UBERON_0000468"}],"text":"nonpolymeric organic or inorganic materials with sizes comprised between 1 and 100 nm"}