| 摘要 |
A local system for the liberation of an active principle is described which consists of spherical bodies which are composed of polymethyl methacrylate or polymethyl methacrylate co-methyl acrylate and, if necessary, zirconium dioxide and/or barium sulphate and a pharmaceutical active principle, which contains at least one hemostyptically effective compound stable at least up to 120.degree. C, preferably a calcium salt. The local system for the liberation of an active principle is provided as medical product or drug.
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