Semrad, T. J., Tancredi, D. J., Baldwin, L., Green, P., & Fenton, J. J. (2011). Geographic Variation of Racial/Ethnic Disparities in Colorectal Cancer Testing Among Medicare Enrollees. Cancer.
Chicago-tyylinen lähdeviittausSemrad, Thomas J., Daniel J. Tancredi, Laura-Mae Baldwin, Pamela Green, ja Joshua J. Fenton. "Geographic Variation of Racial/Ethnic Disparities in Colorectal Cancer Testing Among Medicare Enrollees." Cancer 2011.
MLA-viiteSemrad, Thomas J., et al. "Geographic Variation of Racial/Ethnic Disparities in Colorectal Cancer Testing Among Medicare Enrollees." Cancer 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.