title: Plasma level of norepinephrine, cyclic AMP and cyclic GMP in essential hypertension.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001794:Blood Pressure; D000242:Cyclic AMP / Q000097:blood*; D006152:Cyclic GMP / Q000097:blood*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000097:blood* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood*; D013564:Sympathetic Nervous System / Q000503:physiopathology
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP; D009638:Norepinephrine