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Lorch SA, Baiocchi M, Silber JH, Even-Shoshan O, Escobar GJ, Small DS.Lorch SA, et al. Among authors: escobar gj.Health Serv Res. 2010 Feb;45(1):24-41. doi: 10.1111/j.1475-6773.2009.01043.x. Epub 2009 Sep 24.Health Serv Res. 2010.PMID: 19780853Free PMC article.