title: Nifedipine in the treatment of diffuse oesophageal spasm.
mesh_terms: D004935:Esophageal Diseases / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*; D011725:Pyridines / Q000627:therapeutic use*; D013035:Spasm / Q000188:drug therapy*
chemical_list: D011725:Pyridines; D009543:Nifedipine