Methods Serum CA19-9 levels were determined with CELIA in 93 patients with digestive tract diseases (benign 46, malignant 47) and 49 controls.

• 方法:应用化学 发光免疫分析检测47例消化道恶性肿瘤患者(恶性组)、46例消化道良性疾病患者(良性组)和49例健康人 (对照组)血清中CA19-9。