PMC:7796329 / 41958-42132 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"212","span":{"begin":170,"end":173},"obj":"Gene"}],"attributes":[{"id":"A212","pred":"tao:has_database_id","subj":"212","obj":"Gene:5973"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"To obtain a representative sample of the Korean population, the survey used a quota sampling method that considered the proportions of respondents by region, gender, and age."}

{"project":"LitCovid-sentences","denotations":[{"id":"T372","span":{"begin":0,"end":174},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To obtain a representative sample of the Korean population, the survey used a quota sampling method that considered the proportions of respondents by region, gender, and age."}