PMC:7274970 / 38487-38501
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T323","span":{"begin":0,"end":14},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Acknowledgment"}