PMC:7283670 / 16860-16868
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T130","span":{"begin":0,"end":8},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"3.1 Sex"}