PMC:7795856 / 5738-5854 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T37","span":{"begin":0,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"On the other hand, the biotechnological production as a recombinant peptide in an economic manner has failed so far."}