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Cinelli C, Pearl J.Cinelli C, et al. Among authors: pearl j.Eur J Epidemiol. 2021 Feb;36(2):149-164. doi: 10.1007/s10654-020-00687-4. Epub 2020 Oct 18.Eur J Epidemiol. 2021.PMID: 33070298
Bareinboim E, Pearl J.Bareinboim E, et al. Among authors: pearl j.Proc Natl Acad Sci U S A. 2016 Jul 5;113(27):7345-52. doi: 10.1073/pnas.1510507113.Proc Natl Acad Sci U S A. 2016.PMID: 27382148Free PMC article.