PMC:7003341 / 63505-63517
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T498","span":{"begin":0,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Shengmaiyin."}