PMC:7499623 / 6636-6712
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T42","span":{"begin":3,"end":9},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T43","span":{"begin":64,"end":70},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"ot tested at all; 32% of respondents reported that workers were tested after"}