PMC:1472690 / 154-185
Annnotations
sentences
{"project":"sentences","denotations":[{"id":"T189","span":{"begin":12,"end":22},"obj":"Sentence"},{"id":"T2","span":{"begin":3,"end":11},"obj":"Sentence"},{"id":"T3","span":{"begin":12,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"o\n\nAbstract\nBackground\nβ-1→3-D-"}