PMC:7796058 / 39696-39719
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T273","span":{"begin":0,"end":23},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Smartphone Cleaning App"}