title: Hemodynamic study of nifedipine administration in hypertensive patients.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D004311:Double-Blind Method; D006339:Heart Rate / Q000187:drug effects; D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D011725:Pyridines / Q000627:therapeutic use*; D011897:Random Allocation; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D011725:Pyridines; D009543:Nifedipine