Hill, A. B. (1971). Principles of medical statistics (9th edition.). Oxford University Press.
Cita Chicago Style (17a ed.)Hill, Austin Bradford. Principles of Medical Statistics. 9th edition. New York: Oxford University Press, 1971.
Cita MLA (8a ed.)Hill, Austin Bradford. Principles of Medical Statistics. 9th edition. Oxford University Press, 1971.
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