Lachin, J. M. (2000). Biostatistical methods: The assessment of relative risks. Wiley.
Lua i Stíl Chicago (17ú heag.)Lachin, John M. Biostatistical Methods: The Assessment of Relative Risks. New York: Wiley, 2000.
Lua MLA (9ú heag.)Lachin, John M. Biostatistical Methods: The Assessment of Relative Risks. Wiley, 2000.
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