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Lua i Stíl Chicago (17ú heag.)Blas, E Sommerfeld. Social Determinants Approaches to Public Health: From Concept to Practice. Geneva, Switzerland: World Health Organization, 2011.
Lua MLA (8ú heag.)Blas, E Sommerfeld. Social Determinants Approaches to Public Health: From Concept to Practice. World Health Organization, 2011.
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