The incidence rates of peptic ulcer disease bronchitis and urinary system concretion also higher than those in control area .

胃、十二指肠溃疡、支气管炎、 泌尿 系 结石等慢性疾病的发生率也明显高于非污染区。

Objective To analyze the features of infant urinary concretion .

目的：分析婴幼儿 泌尿 系 结石的特点。