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Burt LA, Billington EO, Rose MS, Raymond DA, Hanley DA, Boyd SK.Burt LA, et al. Among authors: billington eo.JAMA. 2019 Aug 27;322(8):736-745. doi: 10.1001/jama.2019.11889.JAMA. 2019.PMID: 31454046Free PMC article.Clinical Trial.