Effect of urokinase injected by volumetric infusion pump on rest pain, intermittent limp and walking distance in aged patients with arteriosclerosis obliterans of the lower limbs

• 容量泵输注尿激酶对老年下肢闭塞性动脉硬化患者下肢静息痛、间歇跛行及行走距离的影响