John Ewing. Show Affiliations »
Abstract
Mesh: See more » LibrariesPeriodicals as Topic/economicsPeriodicals as Topic/standardsPublic Sector/economicsPublishing/economicsResearch Personnel/economicsResearch Support as Topic/economics
Year: 2003 PMID: 14534561 DOI: 10.1038/425559a
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962