Newby, C., Valerius, J., & Bayes, N. L. (2005). Medical insurance coding workbook for physician practices 2004 - 2005 edition. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Newby, Cynthia, Joanne Valerius, agus Nenna L. Bayes. Medical Insurance Coding Workbook for Physician Practices 2004 - 2005 Edition. Boston: McGraw-Hill, 2005.
Lua MLA (9ú heag.)Newby, Cynthia, et al. Medical Insurance Coding Workbook for Physician Practices 2004 - 2005 Edition. McGraw-Hill, 2005.
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