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β受体阻断剂(以下简称β阻断剂)用于临床已有15年以上的历史,目前不仅用于内科,也用于其它各科临床。现根据近年有关文
Beta blockers (hereinafter referred to as beta blockers) have been used clinically for more than 15 years and are currently used not only in medicine but also in other clinical departments. According to the relevant article in recent years