目的探讨纸柱压迫血管止血法，使临床观察和治疗更加及时完善。
Objective To study the styptic method of blood vessel press by paper column and perfect it's usage.
医生们认为，阿司匹林对心脏手术病人有利，因为它可以防止血液增稠和血管堵塞。
The doctors believe aspirin helps heart surgery patients because it can prevent blood from thickening and blood vessels from being blocked.
如果我们防止血管新生就可以预防癌症。
If we want to prevent angiogenesis, that could prevent cancer.
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