title: Determination of the active ingredient content of PGF 2 alpha by gas-liquid chromatography.
mesh_terms: D002849:Chromatography, Gas; D007093:Imidazoles; D013058:Mass Spectrometry; D011453:Prostaglandins / Q000032:analysis*
chemical_list: D007093:Imidazoles; D011453:Prostaglandins