PMC:7543267 / 17387-17437
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T132","span":{"begin":0,"end":50},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Zero income 8 (1.7) 4 (1.2) 31 (4.4) 19 (4.4)"}