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关于肝素的描述，下列正确的是( )

A、与维生素K竞争性拮抗

B、体内给药有效，体外无效

C、口服有效，但见效较注射慢

D、与AT—III结合，促进凝血酶等凝血因子的灭活

时间：2021-09-01 20:39 关键词：联大河南科技大学护理学药理学

答案解析

D

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