用于治疗胃切除术后引起的缺铁性贫血的是()
A.脾切除术
B.糖皮质激素
C.雄激素
D.右旋糖酐铁注射
E.输血
参考答案:D
A series of debates between the major candidates ________ scheduled last week.[ ]
A. is
B. are
C. was
D. were
在尿液中加入( ),可用于尿中肌酐、羟脯氨酸的定量测定。
A.福尔马林
B.甲苯
C.麝香草酚
D.浓盐酸