PMC:7589389 / 64526-64570
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T513","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Wholesale and retail trade 8154 5131 3023"}