Therapeutic drug monitoring as a standard of care.
D000889:Anti-Arrhythmia Agents / Q000097:blood; D004358:Drug Therapy / Q000592:standards; D006801:Humans; D008991:Monitoring, Physiologic; D004364:Pharmaceutical Preparations / Q000097:blood*; D010607:Pharmacy Service, Hospital; D010672:Phenytoin / Q000097:blood
D000889:Anti-Arrhythmia Agents; D004364:Pharmaceutical Preparations; D010672:Phenytoin