PMC:7796291 / 10361-10435
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T92","span":{"begin":0,"end":74},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The X-ray source was operated at a voltage of 60 kV with a power of 5.0 W."}