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Swanson SA, Hernán MA.Swanson SA, et al. Among authors: hernan ma.Epidemiology. 2013 May;24(3):370-4. doi: 10.1097/EDE.0b013e31828d0590.Epidemiology. 2013.PMID: 23549180No abstract available.
Swanson SA, Robins JM, Miller M, Hernán MA.Swanson SA, et al. Among authors: hernan ma.Am J Epidemiol. 2015 Feb 1;181(3):191-7. doi: 10.1093/aje/kwu284. Epub 2015 Jan 21.Am J Epidemiol. 2015.PMID: 25609096Free PMC article.