PMC:7473770 / 37474-37603 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T297","span":{"begin":0,"end":129},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Single-distance tomogram recordings with about 1500 projections, and flat images before and after the scan, took less than 2 min."}