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Abstract
Mesh: See more » Access to Information/legislation & jurisprudenceFederal GovernmentIntellectual PropertyInternet/statistics & numerical dataInternet/trendsResearchUnited States
Year: 2012 PMID: 22281554 DOI: 10.1038/481409a
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962