| Literature DB >> 12192740 |
D Gunnell1, M Okasha, G D Smith, S E Oliver, J Sandhu, J M Holly.
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Year: 2001 PMID: 12192740 DOI: 10.1093/oxfordjournals.epirev.a000809
Source DB: PubMed Journal: Epidemiol Rev ISSN: 0193-936X Impact factor: 6.222