PMC:7473770 / 50707-50917 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T421","span":{"begin":0,"end":210},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, since the splitted dataset resulted in only 721 angles for the reconstruction, i.e. the resolution estimate is severely affected by under-sampling artifacts, and hence can only serve as an upper bound."}