PMC:7219429 / 913-999
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":0,"end":86},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, the molecular mechanism of action of this combination is not yet established."}