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Papers Academic publications

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14 Sasazuki S, Hayashi T, Nakachi K, Sasaki S, Tsubono Y, Okubo S, Hayashi M, Tsugane S. Protective effect of vitamin C on oxidative stress: a randomized controlled trial. Int J Vitam Nutr Res. 2008; 78(3): 121-128.
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13 Takahashi Y, Sasaki S, Okubo S, Hayashi M, Tsugane S. Maintenance of a low-sodium, high-carotene and -vitamin C diet after a 1-year dietary intervention: the Hiraka dietary intervention follow-up study. Prev Med. 2006; 43(1): 14-19.
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12 Takahashi Y, Sasaki S, Okubo S, Hayashi M, Tsugane S. Blood pressure change in a free-living population-based dietary modification study in Japan. J Hypertens. 2006; 24(3): 451-458.
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11 Sasazuki S, Sasaki S, Tsubono Y, Okubo S, Hayashi M, Tsugane S. Effect of vitamin C on common cold: randomized controlled trial. Eur J Clin Nutr. 2006; 60(1): 9-17.
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10 Kim MK, Sasaki S, Sasazuki S, Okubo S, Hayashi M, Tsugane S. Long-term vitamin C supplementation has no markedly favourable effect on serum lipids in middle-aged Japanese subjects. Br J Nutr. 2004; 91(1): 81-90.
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9 Takashashi Y, Sasaki S, Takahashi M, Okubo S, Hayashi M, Tsugane S. A population-based dietary intervention trial in a high-risk area for stomach cancer and stroke: changes in intakes and related biomarkers. Prev Med. 2003; 37(5): 432-441.
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8 Kim MK, Sasazuki S, Sasaki S, Okubo S, Hayashi M, Tsugane S. Effect of five-year supplementation of vitamin C on serum vitamin C concentration and consumption of vegetables and fruits in middle-aged Japanese: a randomized controlled trial. J Am Coll Nutr. 2003; 22(3): 208-216.
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7 Sasazuki S, Sasaki S, Tsubono Y, Okubo S, Hayashi M, Kakizoe T, Tsugane S. The effect of 5-year vitamin C supplementation on serum pepsinogen level and Helicobacter pylori infection. Cancer Sci. 2003; 94(4): 378-382.
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6 Kim MK, Sasaki S, Sasazuki S, Okubo S, Hayashi M, Tsugane S. Lack of long-term effect of vitamin C supplementation on blood pressure. Hypertension. 2002; 40(6): 797-803.
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5 Hanaoka T, Nair J, Takahashi Y, Sasaki S, Bartsch H, Tsugane S. Urinary level of 1,N(6) -ethenodeoxyadenosine, a marker of oxidative stress, is associated with salt excretion and omega 6-polyunsaturated fatty acid intake in postmenopausal Japanese women. Int J Cancer. 2002; 100(1): 71-75.
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4 Hanaoka T, Takahashi Y, Kobayashi M, Sasaki S, Usuda M, Okubo S, Hayashi M, Tsugane S. Residuals of beta-hexachlorocyclohexane, dichlorodiphenyltrichloroethane, and hexachlorobenzene in serum, and relations with consumption of dietary components in rural residents in Japan. Sci Total Environ. 2002; 286(1-3): 119-127.
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3 Sasaki S, Tsubono Y, Okubo S, Hayashi M, Kakizoe T, Tsugane S. Effects of three-month oral supplementation of beta-carotene and vitamin C on serum concentrations of carotenoids and vitamins in middle-aged subjects: a pilot study for a randomized controlled trial to prevent gastric cancer in high-risk Japanese population. Jpn J Cancer Res. 2000; 91(5): 464-470.
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2 Tsubono Y, Okubo S, Hayashi M, Kakizoe T, Tsugane S. A randomized controlled trial for chemoprevention of gastric cancer in high-risk Japanese population; study design, feasibility and protocol modification. Jpn J Cancer Res. 1997; 88(4): 344-349.
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1 Tsugane S, Tsubono Y, Okubo S, Hayashi M, Kakizoe T. A pilot study for a randomized controlled trial to prevent gastric cancer in high-risk Japanese population: study design and feasibility evaluation. Jpn J Cancer Res. 1996; 87(7): 676-679.
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