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Astra 公司新的注射用阿片拮抗剂类止痛药Dalgan(dezocine,由 Wgeth-Ayerst 公司得到许可),以其经济、方便和极小的成瘾性等特点在美
Dalmas (dezocine, licensed by Wgeth-Ayerst), a new Astra opioid analgesic for pain relief, is known for its economy, convenience and minimal addictiveness in the United States