PMC:7560808 / 9972-10093 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T79","span":{"begin":23,"end":26},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":"This exploratory study has obvious limitations, most importantly, its small sample size and hypothesis-generating nature."}

{"project":"LitCovid-sentences","denotations":[{"id":"T116","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This exploratory study has obvious limitations, most importantly, its small sample size and hypothesis-generating nature."}