PMC:7283670 / 42583-42617
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T441","span":{"begin":0,"end":34},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"4 (57.1%), mechanical ventilation:"}