Clinical materials include: gender, age, operation type, body weight, maximal flow and number of death.

记录临床资料包括：性别、年龄、手术类型、体重、体外循环最大流量和死亡例数。

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Clinical materials include: gender, age, operation type, body weight, maximal flow and number of death.

记录临床资料包括：性别、年龄、手术类型、体重、体外循环最大流量和死亡例数。

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