Nifedipine for relief of esophageal chest pain?
D004935:Esophageal Diseases / Q000188:drug therapy*; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy; D011725:Pyridines / Q000627:therapeutic use*; D013035:Spasm / Q000188:drug therapy; D013909:Thorax
D011725:Pyridines; D009543:Nifedipine