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采用普通湿法制粒工艺，用亲水性高分子材料制备了盐酸曲马多胃漂浮缓释片，初步研究了体外漂浮性能和释放度等，实验表明自制的缓释片漂浮性能缓释效果较好
The common wet granulation process was used to prepare the tramadol hydrochloride floating sustained-release tablets with hydrophilic polymer and the preliminary study of the floating performance and release in vitro. it is good