title: Assay of nifedipine and its by- and degradation products in the drug substance and dragees by liquid chromatography on formamide-saturated silica gel columns.
authors.affiliation: 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.
authors.forename: H
authors.initials: H
authors.lastname: Pötter
authors.forename: M
authors.initials: M
authors.lastname: Hülm