PMC:7784787 / 657-880
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7784787","sourcedb":"PMC","sourceid":"7784787","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7784787","text":"he mask fabric and leakage around the edges of the mask. A large variation in both material penetration and leakage was observed.\n\nGraphical abstract\n\nTweetable abstract\nFace masks are an effective means of stemming the spr","divisions":[{"label":"abstract","span":{"begin":131,"end":149}},{"label":"title","span":{"begin":131,"end":149}},{"label":"title","span":{"begin":151,"end":169}}],"tracks":[{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":57,"end":129},"obj":"Sentence"},{"id":"T13","span":{"begin":131,"end":149},"obj":"Sentence"},{"id":"T14","span":{"begin":151,"end":169},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"T12","pred":"source","obj":"LitCovid-sentences"},{"subj":"T13","pred":"source","obj":"LitCovid-sentences"},{"subj":"T14","pred":"source","obj":"LitCovid-sentences"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"LitCovid-sentences","color":"#eca093","default":true}]}]}}