title: Assessment of pharmacologic effects on the retinal circulation of hypertensive subjects by a quantitative method.
mesh_terms: D000328:Adult; D000368:Aged; D000628:Aminophylline / Q000494:pharmacology*; D001794:Blood Pressure / Q000187:drug effects; D005260:Female; D005451:Fluorescein Angiography; D005654:Fundus Oculi; D006145:Guanethidine / Q000494:pharmacology*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010208:Papaverine / Q000494:pharmacology*; D012171:Retinal Vessels / Q000187:drug effects*; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D000628:Aminophylline; D010208:Papaverine; D006145:Guanethidine