88 mg/L and 0.43 mg/mmolCr? 0.49 mg/mmolCr respectively, calculated by these relationships. The RfD (Reference Dose) of urine fluoride were 1.55mg/L?

• 由此计算的儿童尿氟和肌酐校正后尿氟含量的参考剂量(RfD ；Refer enceDose)分别为:1.；5 5、1