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用PHA皮内注射观察皮肤的Ⅳ型变态反应作为体内法检测机体细胞免疫功能的临床意义是国内外学者所肯定的。我们对125例慢性布氏菌病(下称布
Using PHA intradermal injection to observe the skin type Ⅳ allergy as the in vivo method to detect the cellular immune function of clinical significance is recognized by scholars at home and abroad. We have 125 cases of chronic brucellosis (hereinafter referred to cloth