A sustained-release composition containing a hydroxynaphthoic acid salt of a biologically active substance and a biodegradable polymer, a method of its production, and a pharmaceutical composition containing said sustained-release composition.
                            一种含有
生物活性物质的羟基
萘酸盐和
生物可降解聚合物的缓释组合物、其生产方法以及含有所述缓释组合物的药物组合物。