PMC:7371427 / 61214-61237
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T334","span":{"begin":0,"end":23},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Measures of association"}