title: Smooth-muscle constrictor activity in hypertensive syndromes.
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D006977:Hypertension, Renal / Q000503:physiopathology; D006978:Hypertension, Renovascular / Q000503:physiopathology; D008875:Middle Aged; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000503:physiopathology*; D012084:Renin-Angiotensin System / Q000502:physiology; D013577:Syndrome