既能增强抗凝作用,又能减少出血的透析抗凝药是()
A.低分子肝素
B.常规肝素
C.中分子肝素
D.肝素钙
E.潘生丁
参考答案:A
选择填空。
You ______ look out of the window in class. [ ]
A. aren't
B. don't
C. mustn't
D. wouldn't
积滞的病机主要是()
A.脾胃失健
B.湿邪困脾
C.脾胃虚寒
D.乳食内积
E.以上都不是