OBJECTIVE:To study the preparation and quality control methods of ribavirin and ephedrine nasal spray and observe its clinical therapeutic efficacy.
目的：研究制定利麻鼻用喷雾剂制备和控制方法，并观察其临床疗效。
OBJECTIVE:To study the preparation and quality control methods of ribavirin and ephedrine nasal spray and observe its clinical therapeutic efficacy.
目的：研究制定利麻鼻用喷雾剂制备和控制方法，并观察其临床疗效。
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