Keywords naproxen sodium;pseudoephedrine hydrochloride;sustained-release pellets;extrusion-spheronization;fluidized-bed;Eudragit RS 30D;

• 萘普生钠;盐酸伪麻黄碱;缓释微丸;挤出滚圆法;流化床;丙烯酸树脂;