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Abstract
Mesh: See more » Access to InformationBiomedical ResearchInformation DisseminationInternetNational Institutes of Health (U.S.)PublishingResearch Support as TopicUnited States
Year: 2004 PMID: 15488196 DOI: 10.1016/S0140-6736(04)17232-2
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321