Ohcanbohtosat - (("epidemiology research methodology.") OR ("epidemiologic research methodology."))
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1
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2
Design concepts in nutritional epidemiology /
Almmustuhtton 1991Fáttát: “…Epidemiology Research Methodology.…”
Girji -
3
Design concepts in nutritional epidemiology /
Almmustuhtton 1997Fáttát: “…Epidemiology Research Methodology.…”
Girji