PMC:7143804 / 4385-4494 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T39","span":{"begin":0,"end":109},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Examples of these rather difficult methods are using heating via induction, infrared, or microwave radiation."}