title: Alternative gas monitoring technologies.
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation*; D006801:Humans; D013058:Mass Spectrometry; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D009584:Nitrogen / Q000032:analysis; D013059:Spectrum Analysis, Raman
chemical_list: D009584:Nitrogen