PMC:7784824 / 20385-20636 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T210","span":{"begin":0,"end":83},"obj":"Sentence"},{"id":"T211","span":{"begin":84,"end":251},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The main limitation of the current study is the limited number of samples included. Nevertheless, this study has evaluated the performance of 14 different serological assays and therefore could provide useful information in this stage of the pandemic."}