title: Letter: Estimation of inspiratory-limb humidity in the circle system.
mesh_terms: D000769:Anesthesia, Inhalation; D002245:Carbon Dioxide / Q000096:biosynthesis; D005740:Gases; D006801:Humans; D006813:Humidity; D012119:Respiration; D013696:Temperature; D014867:Water
chemical_list: D005740:Gases; D014867:Water; D002245:Carbon Dioxide