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Yasutomo TAKEUCHI
Center for Reseach on Wild Plants, Utsunomiya University
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Chamroon LAOTHIWATTANA
Center for Reseach on Wild Plants, Utsunomiya University
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Koichi YONEYAMA
Center for Reseach on Wild Plants, Utsunomiya University
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Masaru OGASAWARA
Center for Reseach on Wild Plants, Utsunomiya University
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Tadao ASAMI
Plant Functions, The Inst. of Physical and Chemical Research
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Shigeo YOSHIDA
Plant Functions, The Inst. of Physical and Chemical Research