PMC:7784787 / 13146-13303 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T115","span":{"begin":0,"end":157},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Although this background can be reduced by black paint and image processing, this configuration would then require another laser sheet to detect penetration."}