地点和材料:本研究地点为重庆医科大学第二临床学院,健康成年Wis-tar大鼠由重庆医科大学实验动物中心提供。
SETTING and MATERIALS : The trial was carried out in the Second Clinical College Affiliated to Chongqing Medical University . The healthy adult Wistar rats were provided by the Experimental Animal Center of Chongqing Medical University .