
PMC:7784787 / 7812-8278
Annnotations
LitCovid-PubTator
{"project":"LitCovid-PubTator","denotations":[{"id":"90","span":{"begin":147,"end":155},"obj":"Chemical"},{"id":"91","span":{"begin":205,"end":218},"obj":"Chemical"}],"attributes":[{"id":"A90","pred":"tao:has_database_id","subj":"90","obj":"MESH:D011140"},{"id":"A91","pred":"tao:has_database_id","subj":"91","obj":"MESH:D011126"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"The masks and dummy used are shown in Figure 2. The three-layer mask in Figure 2B has two outer layers each 0.4-mm thick made of 80% polyester 20% elastane with the internal filter layer being 1.0 mm 100% polypropylene. The filter covers the area of the mouth and nose but around chin, cheeks and nose bridge the fabric is just a single layer. Compliance with the testing methods of the CWA 17553 was claimed by the supplier but packaging was not marked accordingly."}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T65","span":{"begin":0,"end":47},"obj":"Sentence"},{"id":"T66","span":{"begin":48,"end":219},"obj":"Sentence"},{"id":"T67","span":{"begin":220,"end":343},"obj":"Sentence"},{"id":"T68","span":{"begin":344,"end":466},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The masks and dummy used are shown in Figure 2. The three-layer mask in Figure 2B has two outer layers each 0.4-mm thick made of 80% polyester 20% elastane with the internal filter layer being 1.0 mm 100% polypropylene. The filter covers the area of the mouth and nose but around chin, cheeks and nose bridge the fabric is just a single layer. Compliance with the testing methods of the CWA 17553 was claimed by the supplier but packaging was not marked accordingly."}