That is to change the recommendation for beta - blockers as a reasonable choice for primary prevention.
它将更改 β 受体阻滞剂作为初级预防合理选择的建议.
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The main goals of AD treatment are established: symptomatic improvement, slowing or arrest, primary prevention.
确定了AD疗效评价的主要目标是: 症状改善, 减慢或阻止症状的发展, 初级预防.
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