PMC:7295558 / 5584-5619
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T63","span":{"begin":0,"end":35},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" PaO2/FiO2 ratio 59 66 180 258"}