这个词是什么意思？
An opioid analgesic chemically related to and with an action resembling that of MEPERIDINE, but more rapid in onset and of shorter duration. It has been used in obstetrics, as pre-operative medication, for minor surgical procedures, and for dental procedures. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1067)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000522 · MeSH 2026。
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