PMC:7784787 / 4263-4380
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T38","span":{"begin":0,"end":117},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"One would expect outward leakage to be more challenging to fix as the exhaling pressure potentially reduces the seal."}