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10/27 Wed.. Why Celebrating Halloween? 1. 2000 years ago in ancient Celts( 塞爾特人 ) 2. 10/31 was the day of the end of a year. And also a day for honoring(
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Material nanosizing effect on living organisms: non- specific, biointeractive, physical size effects by Fumio Watari, Noriyuki Takashi, Atsuro Yokoyama,
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