| Literature DB >> 23774113 |
Gordon H Sun1, Oluseyi Aliu, Rodney A Hayward.
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Year: 2013 PMID: 23774113 PMCID: PMC3783346 DOI: 10.1016/j.jclinepi.2013.04.001
Source DB: PubMed Journal: J Clin Epidemiol ISSN: 0895-4356 Impact factor: 6.437