title: OPALS study.
authors.forename: T O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D006323:Heart Arrest / Q000628:therapy*; D006801:Humans; D008021:Life Support Systems; D010627:Phenethylamines / Q000627:therapeutic use; D013449:Sulfonamides / Q000627:therapeutic use; D009626:Terminology as Topic