1. A total of 164 persons, who were benignant hepatism patients with AFP rise, were checked up by serum AFP, liver function test and ultrasound B every 3 months, and they were follow-up for 5 years.
   对AFP升高的164例良性肝病患者追踪随访5年,每3个月一次检测AFP、肝功能、B超等。

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