André Frazão Helene, Verónica S Valentinuzzi. Show Affiliations »
Abstract
Mesh: See more » BrazilEducation, Graduate/economicsFederal GovernmentFellowships and Scholarships/economicsResearch Personnel/economicsResearch Personnel/educationResearch Personnel/standardsResearch Support as Topic/economicsResearch Support as Topic/trendsScience/economicsScience/educationScience/standardsWorkforce
Year: 2004 PMID: 15470402 DOI: 10.1038/431627a
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962