Objective It is to discuss the change and clinical meaning of serum trace elements in chronic obstructive pulmonary disease(COPD) patients in catabasis.

• 目的探讨慢性阻塞性肺疾病(COPD)缓解期患者血清微量元素变化及其临床意义。方法将50例缓解期COPD患者血清锌、硒、铜、钙、镁、铁和正常人比较。