| Literature DB >> 23508417 |
Eric J Tchetgen Tchetgen1, Stefan Walter, M Maria Glymour.
Abstract
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Year: 2013 PMID: 23508417 PMCID: PMC3600630 DOI: 10.1093/ije/dyt023
Source DB: PubMed Journal: Int J Epidemiol ISSN: 0300-5771 Impact factor: 7.196