PMC:7780584 / 9855-9899
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T97","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Acknowledgement Letter Document Description:"}