PMC:7784828 / 362-543 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":53,"end":157},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"to limited effective medicines for several diseases. To address these challenges, efficient strategies, novel technologies, and policies are urgently needed. The main obstacles in d"}