Methods: Rats were exposed to COF by subchronic inhalation to determine the changes of cellular function and activities of T lymphocytes and NK cell of rats after different time exposure.

• 方法:采用亚慢性吸入染毒,给大鼠吸入烹调油烟,测定不同染毒时间后大鼠T淋巴细胞和天然杀伤(NK)细胞功能及活性的变化。