PMC:7148714 / 12119-12348 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T68","span":{"begin":126,"end":127},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"procedures [15]. In case of shortage of Class 3 respirators, the use of Class 2 respirators (e.g. FFP2) may be considered, on a case by case basis and after assessing the risks of the procedures required.\n• Shoe protection is des"}

{"project":"LitCovid-sentences","denotations":[{"id":"T69","span":{"begin":17,"end":204},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"procedures [15]. In case of shortage of Class 3 respirators, the use of Class 2 respirators (e.g. FFP2) may be considered, on a case by case basis and after assessing the risks of the procedures required.\n• Shoe protection is des"}