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Erhardt JG, Mack H, Sobeck U, Biesalski HK. beta-Carotene and alpha-tocopherol concentration and antioxidant status in buccal mucosal cells and plasma after oral supplementation. Br J Nutr. 2002 May;87(5):471–5. doi: 10.1079/bjnbjn2002566. PMID: 12010585. |