PMC:7795972 / 18909-18934
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T148","span":{"begin":0,"end":25},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Strengths and limitations"}