[Comparative double-blind, crossover and randomized study of the antihypertensive activity of nifedipine in primary arterial hypertension].
D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D004311:Double-Blind Method; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D010919:Placebos
D003692:Delayed-Action Preparations; D010919:Placebos; D009543:Nifedipine
Estudo comparativo duplo cego, cruzado e randomizado da atividade anti-hipertensiva da nifedipina na hipertensão arterial primária.