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作者应用原子吸收光谱法对３０例上尿路草酸钙结石病人发中微量元素铁（Ｆｅ）、铜（Ｃｕ）、锌（Ｚｎ）、锶（Ｓｒ）、铝（Ａｌ）、镉（Ｃｄ）、钼（Ｍｏ）等元素进行定量分析，并以３０例正常人发样作对照。结果表明：病人发中铝明显高于正常人（Ｐ＜０．０１），而锌则明显低于正常人（Ｐ＜０．０１）。认为铝的过量摄入和低锌对草酸钙结石形成有重要影响。
The authors used atomic absorption spectrometry (FAAS) to analyze the content of trace elements iron (Fe), copper (Cu), zinc (Zn), strontium (Sr), aluminum (Al), cadmium Molybdenum (Mo) and other elements for quantitative analysis, and 30 normal hair samples for the control. The results showed that aluminum in patients was significantly higher than normal (P <0.01), while zinc was significantly lower than normal (P <0.01). It is believed that excessive aluminum intake and low zinc have an important impact on the formation of calcium oxalate stones.