title: Reply: To PMID 23500269.
authors.forename: Martin H
authors.initials: MH
authors.lastname: Ruwald
authors.forename: Arthur J
authors.initials: AJ
authors.lastname: Moss
mesh_terms: D002227:Carbazoles / Q000008:administration & dosage*; D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D017147:Defibrillators, Implantable; D005260:Female; D006333:Heart Failure / Q000401:mortality* / Q000628:therapy*; D006801:Humans; D008297:Male; D008790:Metoprolol / Q000008:administration & dosage*; D011412:Propanolamines / Q000008:administration & dosage*
chemical_list: D002227:Carbazoles; D011412:Propanolamines; D008790:Metoprolol