PMC:7454258 / 161931-162249 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T40989","span":{"begin":139,"end":144},"obj":"Chemical"}],"attributes":[{"id":"A89521","pred":"chebi_id","subj":"T40989","obj":"http://purl.obolibrary.org/obo/CHEBI_25812"}],"text":"er scientific assessments and resources highlight key program accomplishments, such as observing and understanding changes in climate, the ozone layer, and land cover; identifying impacts of these changes on ecosystems and society; estimating future changes in the physical environment, and associated vulnerabilities "}