全血的质量标准,ACD-B、CPD和CP-DA-1方保养液采集的全血,哪项指标不一样()。
A.外观
B.容量
C.标签
D.无菌试验
E.传染病指标
参考答案:B
Mr. Smith one son and two daughters.[ ]
A. have
B. has
C. having
试述慢性胃炎的治疗。