PMC:7143707 / 10693-10731
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T112","span":{"begin":4,"end":11},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Fit testing N95 mask with PortaCount®."}