PMC:7543522 / 6308-6330
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T24","span":{"begin":0,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Authors’ contributions"}