方法采用以医院为基础的监测方法收集资料。
Methods: Data were collected with the method of hospital-based cluster sampling.
以合作医院为基础，建立WTAA基地，提供肿瘤消融进修的平台。
Establish WTAA bases based on cooperative hospitals, and provide tumor ablation learning platform.
采用以医院为基础的配比病例对照研究方法，探讨了吸烟、饮酒及高血压与脑出血的关系。
A matched case-control study on the relationships between cigarette smoking, alcohol drinking, hypertension and cerebral hemorrhage was conducted.
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