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.是什么意思_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.在线翻译_英语_读音_用法_例句