title: Controlled double-blind trial of nifedipine in the treatment of Raynaud's phenomenon.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*; D011446:Prospective Studies; D011725:Pyridines / Q000627:therapeutic use*; D011897:Random Allocation; D011928:Raynaud Disease / Q000188:drug therapy*
chemical_list: D011725:Pyridines; D009543:Nifedipine