下列哪些是心肌梗死溶解血栓疗法的禁忌
A.有出血既往史
B.年龄小于70岁
C.血压过高
D.活动性消化性溃疡
E.严重肝肾功能不全
参考答案:A,C,D,E
小鼠成纤维细胞体外培养平均分裂次数为()
A.25次
B.50次
C.100次
D.140次
E.12次
()provides a selection of commonly used routes with their distances between principal and important positions.
A.The Mariner‟s Handbook
B.Admiralty Sailing Directions
C.Ocean Passages for the World
D.Mariner‟s Routeing Guide