PMC:7281378 / 9920-9998
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T67","span":{"begin":0,"end":78},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"An overview of the methodology can be observed in the PRISMA chart (Figure 2)."}