PubMed:2842341 / 463-469
Annnotations
sentences
{"project":"sentences","denotations":[{"id":"T7","span":{"begin":0,"end":6},"obj":"Sentence"},{"id":"T7","span":{"begin":0,"end":6},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"U.S.A."}