PMC:7795804 / 29229-29232
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T241","span":{"begin":0,"end":3},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Sex"}