| Literature DB >> 16810095 |
M Alan Brookhart1, Philip S Wang, Daniel H Solomon, Sebastian Schneeweiss.
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Year: 2006 PMID: 16810095 DOI: 10.1097/01.ede.0000222026.42077.ee
Source DB: PubMed Journal: Epidemiology ISSN: 1044-3983 Impact factor: 4.822