PMC:6988269 / 25884-25887
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T252","span":{"begin":0,"end":3},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"MZ:"}