PMC:7068164 / 9729-9749
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T104","span":{"begin":0,"end":20},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Laboratory diagnosis"}