Objective To evaluate biocompatibility of chitosan and its derivative in rat brains, so as to screen adequate drugvehicle.
目的探讨壳聚糖及衍生物在大鼠脑内的生物相容性，筛选出适宜的药物载体。
2
Fifteen seconds passed before the vehicle moved up the block to where drug dealers lived.
十五秒过后，那辆车接着向那些贩毒分子的老巢驶去。
3
Congress must pass legislation next year to renew industry fees that help fund drug reviews, and that bill could be a vehicle for addressing drug safety issues.