表示单室模型,单剂量口服给药后的血药浓度变化规律的是()
A.A
B.B
C.C
D.D
E.E
参考答案:C
They have found this guidebook of _____ in helping them to get round New York. [ ]
A. price
B. value
C. cost
D. usefulness
关于注射剂的热原检查,热原的分子量为
A.几万至几十万
B.几十至几百
C.几百至几千
D.几千至几万
E.不一定