[Determination of aristolochic acid in radix Stephaniae tetradrae (Aristolochia fangchi)].
D000972:Antineoplastic Agents, Phytogenic / Q000032:analysis*; D034341:Aristolochic Acids; D002855:Chromatography, Thin Layer; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010616:Phenanthrenes / Q000032:analysis*; D010946:Plants, Medicinal / Q000032:analysis*
D000972:Antineoplastic Agents, Phytogenic; D034341:Aristolochic Acids; D010616:Phenanthrenes; C000228:aristolochic acid I