title: Letter: Dantrolene ineffective in myotonic dystrophy.
mesh_terms: D002986:Clinical Trials as Topic; D003620:Dantrolene / Q000008:administration & dosage / Q000627:therapeutic use*; D004341:Drug Evaluation; D006801:Humans; D006827:Hydantoins / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D009223:Myotonic Dystrophy / Q000188:drug therapy*
chemical_list: D006827:Hydantoins; D003620:Dantrolene