
PMC:7796111 / 74196-74229
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T636","span":{"begin":0,"end":33},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Year of study 0.16 0.515 0.335"}