title: Gas chromatography--mass spectrometry of catechol estrogens.
mesh_terms: D002849:Chromatography, Gas; D004355:Drug Stability; D004958:Estradiol / Q000032:analysis*; D004964:Estriol / Q000032:analysis*; D004970:Estrone / Q000032:analysis*; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D006914:Hydroxysteroids / Q000032:analysis; D013058:Mass Spectrometry; D008722:Methods; D008738:Methyl Ethers / Q000032:analysis; D008970:Molecular Weight; D013997:Time Factors
chemical_list: D006914:Hydroxysteroids; D008738:Methyl Ethers; D004970:Estrone; D004958:Estradiol; D004964:Estriol