Assay of nifedipine and its by- and degradation products in the drug substance and dragees by liquid chromatography on formamide-saturated silica gel columns.
Pötter
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Main Department of Natural Products Research, Managerial Department of Research and Development, VEB Arzneimittelwerk Dresden, Main Factory of the VEB Pharmazeutisches Kombinat GERMED Dresden, Wilhelm-Pieck-Str. 35, DDR-8122 Radebeul, Germany.
Hülm
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