
Leveraging Administrative Data to Monitor Rituximab Use in 2875 Patients at 42 Freestanding Children's Hospitals across the United States
Keywords: لوپوس اریتماتوی سیستمیک; ICD-9-CM; International Classification of Diseases, Ninth Revision, Clinical Modification; PHIS; Pediatric Health Information System; PML; Progressive multifocal leukoencephalopathy; SLE; Systemic lupus erythematosus;