免疫荧光法检测抗核抗体所采用的Hep-2细胞是
A.人喉癌上皮细胞B.宫颈癌细胞C.小鼠肝细胞D.人类上皮细胞E.人类喉上皮细胞
参考答案:A
—What day is it? —It's _________.[ ]
A. February.
B. Saturday
C. March 10.
若脑室引流管内不断有脑脊液流出、管内的液面随患者( )和( )等上下波动表明引流管通畅。