Heitman, S. J., Hilsden, R. J., Au, F., Dowden, S., & Manns, B. J. (2010). Colorectal cancer screening for average-risk North Americans: An economic evaluation. Public Library of Science (PLoS).
Lua i Stíl Chicago (17ú heag.)Heitman, Steven J., Robert J. Hilsden, Flora Au, Scot Dowden, agus Braden J. Manns. Colorectal Cancer Screening for Average-risk North Americans: An Economic Evaluation. Public Library of Science (PLoS), 2010.
Lua MLA (9ú heag.)Heitman, Steven J., et al. Colorectal Cancer Screening for Average-risk North Americans: An Economic Evaluation. Public Library of Science (PLoS), 2010.
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