title: Ketanserin versus nifedipine in secondary Raynaud's phenomenon.
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007650:Ketanserin / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*; D011928:Raynaud Disease / Q000188:drug therapy*
chemical_list: D007650:Ketanserin; D009543:Nifedipine