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ZEN’ICHIRO KAWABATA
Department of Environmental Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790, Japan
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KAZUAKI MATSUI
Department of Environmental Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790, Japan
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KOZO OKAZAKI
Department of Environmental Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790, Japan
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MASAO NASU
Faculty of Pharmaceutical Sciences, Osaka University, Yamadaoka 1-6, Suita-shi, Osaka 565, Japan
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NAGAHISA NAKANO
Department of Agricultural Chemistry, University of Osaka Prefecture, Sakai, Osaka 593, Japan
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TOSHIO SUGAI
Department of Biology, Faculty of Science, Ibaraki University, Bunkyo 2-1-1, Mito 310, Japan