title: "Na" or "NA" in hypertension?
mesh_terms: D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D009638:Norepinephrine / Q000097:blood*; D012964:Sodium / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000503:physiopathology
chemical_list: D012964:Sodium; D009638:Norepinephrine