The levels of DNA-P, TSA, SF, AFP and CEA in the sera of 40 cases of the patients suffering from lung disorders were determined by RIA.

• 采用放射免疫测定法测定40例肺部疾病患者血清中DNA聚合酶（DNAP）、血清总唾液酸（TSA）、血清铁蛋白（SF）、甲胎蛋白（AFD）及癌胚抗原（CEA）水平。