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维生素Ｂ_(１２)、曲安缩松以及当归注射液是临床疼痛治疗的常用药物，其临床疗效基本肯定。然而，药物间疗效的比较研究却开展较少。本实验旨在通过动物实验，比较三种药物对大鼠炎症足爪的镇痛和消肿作用。并且，通过组织学观察结缔组织中肥大细胞的形态结构变化，初步探索其
Vitamin B_ (12), triamcinolone and angelica injection are commonly used drugs for the treatment of clinical pain, the clinical efficacy of the basic affirmation. However, comparative studies on the efficacy of drugs have been less developed. The purpose of this experiment is to compare the analgesic and swelling effects of the three drugs on the inflammatory foot of rats by animal experiments. And histological observation of mast cells in connective tissue morphological changes, preliminary explore its