title: Editorial: Trial by traction.
mesh_terms: D003093:Colitis, Ulcerative / Q000188:drug therapy* / Q000209:etiology; D004205:Cromolyn Sodium / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D011349:Proctitis / Q000188:drug therapy
chemical_list: D004205:Cromolyn Sodium