PMC:7784828 / 223-445 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T10","span":{"begin":125,"end":191},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" in drug research and development, our knowledge of the underlying molecular mechanisms of many diseases remains inadequate. This have led to limited effective medicines for several diseases. To address these challenges, e"}