He would say: fluoride is fluoride. 4 ppm vs 0.7 ppm? who cares!

來源: 老忽叔叔 於 2012-10-03 17:37:47 [] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
回答: The cited Harvard Study 由 也潛水 於 2012-10-03 17:33:46
請您先登陸，再發跟帖！