title: New concepts in densitometry. Control analysis of pharmaceutical formulations.
mesh_terms: D000085:Acetates / Q000032:analysis; D002855:Chromatography, Thin Layer; D003720:Densitometry; D004878:Ergotamine / Q000032:analysis; D005069:Evaluation Studies as Topic; D008433:Mathematics; D008722:Methods; D009994:Osmolar Concentration; D004364:Pharmaceutical Preparations / Q000032:analysis* / Q000592:standards; D013056:Spectrophotometry, Ultraviolet; D013970:Thyronines / Q000032:analysis
chemical_list: D000085:Acetates; D004364:Pharmaceutical Preparations; D013970:Thyronines; D004878:Ergotamine