title: [Parallel double-blind clinical trial of nifedipine versus a placebo in patients with chronic cerebrovascular insufficiency].
mesh_terms: D002561:Cerebrovascular Disorders / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use*; D010919:Placebos
chemical_list: D010919:Placebos; D009543:Nifedipine
vernacular_title: Ensayo clínico a doble ciego paralelo de nicardipina frente a placebo en pacientes con insuficiencia vascular cerebral crónica.