PMC:7784834 / 9517-9561 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T61","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Preparation of protein and ligand structures"}