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Rubin O, Errett NA, Upshur R, Baekkeskov E.Rubin O, et al. Among authors: upshur r.Scand J Public Health. 2021 Nov;49(7):790-796. doi: 10.1177/1403494821997227. Epub 2021 Mar 8.Scand J Public Health. 2021.PMID: 33685289No abstract available.
Bell JA, Hyland S, DePellegrin T, Upshur RE, Bernstein M, Martin DK.Bell JA, et al.BMC Health Serv Res. 2004 Dec 19;4(1):36. doi: 10.1186/1472-6963-4-36.BMC Health Serv Res. 2004.PMID: 15606924Free PMC article.