title: More on mass spectrometers and aerosol propellants.
mesh_terms: D000335:Aerosol Propellants; D000336:Aerosols; D000777:Anesthetics; D005740:Gases; D013058:Mass Spectrometry
chemical_list: D000335:Aerosol Propellants; D000336:Aerosols; D000777:Anesthetics; D005740:Gases