Duncan, R. C. (1983). Introductory biostatistics for the health sciences (2ª ed.). John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)Duncan, Robert C. Introductory Biostatistics for the Health Sciences. 2ª ed. John Wiley and Sons, 1983.
Lua MLA (9ú heag.)Duncan, Robert C. Introductory Biostatistics for the Health Sciences. 2ª ed. John Wiley and Sons, 1983.
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