title: Letter: Borderline hypertension and norepinephrine.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D009638:Norepinephrine / Q000008:administration & dosage / Q000494:pharmacology*; D011941:Receptors, Adrenergic
chemical_list: D011941:Receptors, Adrenergic; D009638:Norepinephrine