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Restriction analysis of Arg213Gly polymorphism at the SOD3 gene. Lanes 1–3, 5–12: 11 samples after digestion with Eco521; lanes 3, 7, and 11, Arg/Arg genotype; lanes 1, 2, 8, 10, and 12, Arg/Gly genotype; lanes 5, 6, and 9, Gly/Gly genotype. Lane 4: molecular weight DNA marker pBR322/MspI; 90- and 76-bp DNA fragments are shown.
