PMC:7306567 / 34773-34806
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T255","span":{"begin":0,"end":33},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Fees are paid to its institution."}