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Shea S, Misra D, Ehrlich MH, Field L, Francis CK.Shea S, et al. Among authors: francis ck.Am J Public Health. 1992 Dec;82(12):1607-12. doi: 10.2105/ajph.82.12.1607.Am J Public Health. 1992.PMID: 1456334Free PMC article.
Francis CK.Francis CK.J Health Care Poor Underserved. 1997 Aug;8(3):250-69. doi: 10.1353/hpu.2010.0632.J Health Care Poor Underserved. 1997.PMID: 9253217Review.
Pogue VA, Ellis C, Michel J, Francis CK.Pogue VA, et al. Among authors: francis ck.Hypertension. 1996 Nov;28(5):713-8. doi: 10.1161/01.hyp.28.5.713.Hypertension. 1996.PMID: 8901813