PMC:7784828 / 146-284 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":29,"end":37},"obj":"Sentence"},{"id":"T7","span":{"begin":38,"end":46},"obj":"Sentence"},{"id":"T8","span":{"begin":47,"end":60},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"T OPINION ON DRUG DISCOVERY\n\nAbstract\nABSTRACT\nIntroduction: Despite advances in drug research and development, our knowledge of the under"}