title: Plasma norepinephrine levels in essential hypertension.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D002247:Carbon Isotopes; D005260:Female; D006801:Humans; D006973:Hypertension / Q000097:blood* / Q000188:drug therapy / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood*; D010425:Pentolinium Tartrate / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use; D012146:Rest; D013564:Sympathetic Nervous System / Q000187:drug effects / Q000503:physiopathology
chemical_list: D002247:Carbon Isotopes; D010425:Pentolinium Tartrate; D009638:Norepinephrine