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Davey GK, Spencer EA, Appleby PN, Allen NE, Knox KH, Key TJ (2003). "EPIC-Oxford: lifestyle characteristics and nutrient intakes in a cohort of 33 883 meat-eaters and 31 546 non meat-eaters in the UK". Public Health Nutrition. 6 (3). ss. 259-69. doi:10.1079/PHN2002430. PMID12740075.KB1 bakım: Birden fazla ad: yazar listesi (link)
Annika Waldmann, Jochen W. Koschizke, Claus Leitzmann, Andreas Hahn (2004). "Dietary Iron Intake and Iron Status of German Female Vegans: Results of the German Vegan Study". Ann Nutr Metab. 48 (2). ss. 103-108. doi:10.1159/000077045. PMID14988640.KB1 bakım: Birden fazla ad: yazar listesi (link)
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