title: Comparison of corticosteroid derivatives by gas chromatography-mass spectrometry.
mesh_terms: D000096:Acetone / Q000032:analysis; D000731:Androstanes; D001896:Boron Compounds; D002849:Chromatography, Gas; D004987:Ethers / Q000032:analysis; D013058:Mass Spectrometry; D011278:Pregnanes; D013256:Steroids
chemical_list: D000731:Androstanes; D001896:Boron Compounds; D004987:Ethers; D011278:Pregnanes; D013256:Steroids; D000096:Acetone