PMC:7558233 / 46342-46500 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T291","span":{"begin":0,"end":33},"obj":"Sentence"},{"id":"T292","span":{"begin":34,"end":158},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Compliance with ethics guidelines\nWei Liu, Wei-Jie Guan, and Nan-Shan Zhong declare that they have no conflict of interest or financial conflicts to disclose."}