PubMed:19880424 / 435-447
Annnotations
pubmed-enju-pas
{"project":"pubmed-enju-pas","denotations":[{"id":"EnjuParser_T56","span":{"begin":0,"end":12},"obj":"VBN"}],"namespaces":[{"prefix":"_base","uri":"http://kmcs.nii.ac.jp/enju/"}],"text":"investigated"}