Results the pathologic changes of the chronic bronchitis of the mice were more severe under the condition of cold than those under the condition of room temperature.
结果：在寒冷吸烟慢性支气管炎的病理改变比室温条件下更严重。
To master etiology and pathologic changes of chronic superficial gastritis and chronic atrophic gastritis.
掌握慢性浅表性胃炎和慢住萎缩性胃炎的病因和病变特点。
To master etiology and pathologic changes of chronic superficial gastritis and chronic atrophic gastritis.
掌握慢性浅表性胃炎和慢住萎缩性胃炎的病因和病变特点。
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