PMC:7386785 / 69691-69826 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T595","span":{"begin":0,"end":135},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In addition, we urgently need studies in community primary care settings, and studies investigating combinations of signs and symptoms."}