AIM: to make trial preparation of paracetamol nose drops and define its quality standard, assay method of content, storage requirement, period of validity, safety and effectiveness.
目的：对扑热息痛滴鼻剂进行试制，确定其质量标准、含量测定方法、贮存条件、有效期、安全性和有效性。
2
AIM: To observe the effect of paracetamol and pseudoephedrine hydrochloride drops on histamine induced increase in resistance of nasal meatus of rats.