结、直肠癌术后监测是否复发常用的方法是() ["大便隐血检查","血清CEA","直肠指检","气钡灌肠双重造影","纤维结肠镜"]
肌酸激酶MB型同工酶主要存在于()。 ["脑组织","骨骼肌","红细胞","心肌","肝脏"]
结、直肠癌患者初步筛查手段是() ["大便隐血检查","血清CEA","直肠指检","气钡灌肠双重造影","纤维结肠镜"]
关于用MTT比色法检测IL-2活性的表述,错误的是() ["需要依赖细胞株","活的增殖细胞具有吸收MTT能力","颜色深浅反映细胞代谢活性的强弱","可反映B细胞功能","反映T细胞功能"]
下列哪种酶在肝脏病变中表现为下降()。 ["ALT","PCHE","AST","LDH","ALP"]
情报研究成果的评价内容?