这个词是什么意思？
Sympathetic alpha-adrenergic agonist with actions like PHENYLEPHRINE. It is used as a vasoconstrictor in circulatory failure, asthma, nasal congestion, and glaucoma.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013578 · MeSH 2026。
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