The changes of lung resistance (RL), inflammatory cells in bronchoalveolar lavage fluid (BALF), lung tissue pathology, and spleen index were observed.

• 测定小鼠的肺阻力(RL)和支气管-肺泡灌洗液(BALF)中的炎症细胞，观察肺组织和免疫器官脾脏的病理变化。