title: Distribution and classification of airway histamine receptors: the physiological significance of histamine H2-receptors.
mesh_terms: D001249:Asthma / Q000503:physiopathology; D006801:Humans; D006967:Hypersensitivity / Q000503:physiopathology; D009130:Muscle, Smooth / Q000502:physiology; D011968:Receptors, Histamine / Q000145:classification / Q000502:physiology*; D011970:Receptors, Histamine H2 / Q000502:physiology*; D012143:Respiratory Physiological Phenomena; D014661:Vasoconstriction
chemical_list: D011968:Receptors, Histamine; D011970:Receptors, Histamine H2