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ePaper created 2012-12-21, 13:08:15 | version 1.22.16
1. (p 0.001) 2. pH ( 1 p 0.001 ) www.dentistx.com “ ” “ ” pH “ ” “ ” pH pH pH pH 5.6~7.6 6.6~7.1 “ ” Michael Dodds pH pH 30 23.9 1 pH pH 2003