PMC:7558914 / 3717-3823 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T29","span":{"begin":0,"end":106},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Such protocols should be systematically developed and based on an evaluation of the current best evidence."}