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Skopek TR, Walker VE, Cochrane JE, Craft TR, Cariello NF.Skopek TR, et al. Among authors: cochrane je.Proc Natl Acad Sci U S A. 1992 Sep 1;89(17):7866-70. doi: 10.1073/pnas.89.17.7866.Proc Natl Acad Sci U S A. 1992.PMID: 1518807Free PMC article.
Self A, Van Buskirk J, Clark J, Cochrane JE, Knibbs L, Cass-Verco J, Gupta L.Self A, et al. Among authors: cochrane je.BMC Public Health. 2023 Dec 21;23(1):2560. doi: 10.1186/s12889-023-17474-x.BMC Public Health. 2023.PMID: 38129854Free PMC article.