Detection of contamination of pharmaceutical preparations with foreign active ingredients.
D000588:Amines / Q000032:analysis; D001463:Barbiturates / Q000032:analysis; D002845:Chromatography; D002855:Chromatography, Thin Layer; D004340:Drug Contamination / Q000032:analysis*; D013256:Steroids / Q000032:analysis
D000588:Amines; D001463:Barbiturates; D013256:Steroids