| Literature DB >> 20539119 |
Enrique F Schisterman, Roderick J Little.
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Year: 2010 PMID: 20539119 PMCID: PMC3042241 DOI: 10.1097/EDE.0b013e3181dda514
Source DB: PubMed Journal: Epidemiology ISSN: 1044-3983 Impact factor: 4.822