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Abstract
Mesh: See more » Clinical Trials as Topic/economicsClinical Trials as Topic/trendsDeveloping CountriesEuropeInternational Cooperation
Year: 2007 PMID: 17678995 DOI: 10.1016/S0140-6736(07)61168-4
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321