We didnt' do it since there isn't a good reason for it. Some sch

來源: lovehandle 於 2012-11-27 09:26:35 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (91 bytes)
回答: 誰家的寶寶做過鉛含量血測 由 品軒 於 2012-11-27 08:13:30

mostly for liability reasons.  The tests may have a lot of false positve. 

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