根据射频与射频联合全身化疗的随机分组方案入选标准，射频组12例，射频联合全身化疗组15例。
Through a prospective randomized trial, 12 patients were in the RFA group and 15 patients in the RFA combined with systemic chemotherapy group.
方法：将入选的94例高血压患者进行随机分组；
Methods:94 patients with essential hypertension were divided into two groups by randomization.
方法：将入选的94例高血压患者进行随机分组；
Methods:94 patients with essential hypertension were divided into two groups by randomization.
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