Serum copper and zinc determination was made with a Perkin Elmer Zeeman /3030 atomic absorption spestrophotometer in 55 lung cancer patients. 30 patients with benign pulmonary diseases and 375 healthy subjects.

• 采用Perkin Elmer Zeeman/3030原子吸收分光光度计测定了肺癌患者、良性肺病患者和健康对照组血清中铜锌含量.