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发帖数: 12899 | 1 ☆─────────────────────────────────────☆
az (把娃娃惯坏了的妈) 于 (Tue May 4 17:47:25 2010, 美东) 提到:
结果是阴性的，没问题
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Update:
郁闷，我们家是在高发区，千分之一的儿童超标率
When should children be tested for lead?
Every child in Massachusetts must be tested for lead. The first test must be
done between the ages of 9 and 12 months. Children must be tested again at
ages 2 and 3. If you live in a high risk neighborhood, your child must also
be tested at age 4 (see “Lead research and statistics” for a list of |
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