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作者通过观察存活10周以上的108只大鼠,研究了饲料硒对大鼠由于N甲基—N’—硝基—N—亚硝基胍(MNNG)所致的腺胃癌的影响。作者共进行两次实验。实验1用120只3周龄雄性大鼠,饲以半合成饲料,含硒0.04
The authors investigated the effect of dietary selenium on gastric adenocarcinoma in rats due to N-methyl-N’-nitro-N-nitrosoguanidine (MNNG) by observing 108 rats that survived for more than 10 weeks. The author conducted two experiments in total. Experiment 1 120 male rats, 3 weeks old, were fed a semi-synthetic diet containing selenium 0.04