PMC:7499623 / 463-471
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":1,"end":8},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"\nMETHODS"}