PMC:7796111 / 74663-74699
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T651","span":{"begin":0,"end":36},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Year of Study −0.412 0.281 −0.128"}