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Shortell SM, Sehgal NJ, Bibi S, Ramsay PP, Neuhauser L, Colla CH, Lewis VA.Shortell SM, et al. Among authors: colla ch.Med Care Res Rev. 2015 Oct;72(5):580-604. doi: 10.1177/1077558715588874. Epub 2015 Jun 2.Med Care Res Rev. 2015.PMID: 26038349Free PMC article.